diff --git a/lib/ast-converter.js b/lib/ast-converter.js
index 268ada7..7064f26 100644
--- a/lib/ast-converter.js
+++ b/lib/ast-converter.js
@@ -563,6 +563,34 @@ module.exports = function(ast, extra) {
             return null;
         }
 
+        /**
+         * Returns the declaration kind of the given TSNode
+         * @param  {TSNode}  tsNode TypeScript AST node
+         * @returns {string}     declaration kind
+         */
+        function getDeclarationKind(tsNode) {
+            var varDeclarationKind;
+
+            switch (tsNode.kind) {
+                case SyntaxKind.TypeAliasDeclaration:
+                    varDeclarationKind = "type";
+                    break;
+                case SyntaxKind.VariableDeclarationList:
+                    if (ts.isLet(tsNode)) {
+                        varDeclarationKind = "let";
+                    } else if (ts.isConst(tsNode)) {
+                        varDeclarationKind = "const";
+                    } else {
+                        varDeclarationKind = "var";
+                    }
+                    break;
+                default:
+                    throw "Unable to determine declaration kind.";
+            }
+
+            return varDeclarationKind;
+        }
+
         /**
          * Converts a TSNode's typeParameters array to a flow-like TypeParameterDeclaration node
          * @param {TSNode[]} typeParameters TSNode typeParameters
@@ -896,19 +924,10 @@ module.exports = function(ast, extra) {
                 break;
 
             case SyntaxKind.VariableStatement:
-
-                var varStatementKind;
-
-                if (node.declarationList.flags) {
-                    varStatementKind = (node.declarationList.flags === ts.NodeFlags.Let) ? "let" : "const";
-                } else {
-                    varStatementKind = "var";
-                }
-
                 assign(result, {
                     type: "VariableDeclaration",
                     declarations: node.declarationList.declarations.map(convertChild),
-                    kind: varStatementKind
+                    kind: getDeclarationKind(node.declarationList)
                 });
 
                 // check for exports
@@ -917,19 +936,10 @@ module.exports = function(ast, extra) {
 
             // mostly for for-of, for-in
             case SyntaxKind.VariableDeclarationList:
-
-                var varDeclarationListKind;
-
-                if (node.flags) {
-                    varDeclarationListKind = (node.flags === ts.NodeFlags.Let) ? "let" : "const";
-                } else {
-                    varDeclarationListKind = "var";
-                }
-
                 assign(result, {
                     type: "VariableDeclaration",
                     declarations: node.declarations.map(convertChild),
-                    kind: varDeclarationListKind
+                    kind: getDeclarationKind(node)
                 });
                 break;
 
@@ -1951,7 +1961,7 @@ module.exports = function(ast, extra) {
 
                 assign(result, {
                     type: "VariableDeclaration",
-                    kind: "type",
+                    kind: getDeclarationKind(node),
                     declarations: [typeAliasDeclarator]
                 });
 
diff --git a/tests/fixtures/typescript/basics/async-function-with-var-declaration.result.js b/tests/fixtures/typescript/basics/async-function-with-var-declaration.result.js
new file mode 100644
index 0000000..65bee37
--- /dev/null
+++ b/tests/fixtures/typescript/basics/async-function-with-var-declaration.result.js
@@ -0,0 +1,698 @@
+module.exports = {
+    "type": "Program",
+    "range": [
+        0,
+        96
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 5,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "FunctionDeclaration",
+            "range": [
+                0,
+                96
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 5,
+                    "column": 1
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    15,
+                    19
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 15
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 19
+                    }
+                },
+                "name": "test"
+            },
+            "generator": false,
+            "expression": false,
+            "async": true,
+            "params": [],
+            "body": {
+                "type": "BlockStatement",
+                "range": [
+                    22,
+                    96
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 22
+                    },
+                    "end": {
+                        "line": 5,
+                        "column": 1
+                    }
+                },
+                "body": [
+                    {
+                        "type": "VariableDeclaration",
+                        "range": [
+                            28,
+                            44
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 2,
+                                "column": 20
+                            }
+                        },
+                        "declarations": [
+                            {
+                                "type": "VariableDeclarator",
+                                "range": [
+                                    32,
+                                    43
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 2,
+                                        "column": 8
+                                    },
+                                    "end": {
+                                        "line": 2,
+                                        "column": 19
+                                    }
+                                },
+                                "id": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        32,
+                                        35
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 2,
+                                            "column": 8
+                                        },
+                                        "end": {
+                                            "line": 2,
+                                            "column": 11
+                                        }
+                                    },
+                                    "name": "foo"
+                                },
+                                "init": {
+                                    "type": "Literal",
+                                    "range": [
+                                        38,
+                                        43
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 2,
+                                            "column": 14
+                                        },
+                                        "end": {
+                                            "line": 2,
+                                            "column": 19
+                                        }
+                                    },
+                                    "value": "foo",
+                                    "raw": "'foo'"
+                                }
+                            }
+                        ],
+                        "kind": "var"
+                    },
+                    {
+                        "type": "VariableDeclaration",
+                        "range": [
+                            49,
+                            65
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 3,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 3,
+                                "column": 20
+                            }
+                        },
+                        "declarations": [
+                            {
+                                "type": "VariableDeclarator",
+                                "range": [
+                                    53,
+                                    64
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 3,
+                                        "column": 8
+                                    },
+                                    "end": {
+                                        "line": 3,
+                                        "column": 19
+                                    }
+                                },
+                                "id": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        53,
+                                        56
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 8
+                                        },
+                                        "end": {
+                                            "line": 3,
+                                            "column": 11
+                                        }
+                                    },
+                                    "name": "bar"
+                                },
+                                "init": {
+                                    "type": "Literal",
+                                    "range": [
+                                        59,
+                                        64
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 14
+                                        },
+                                        "end": {
+                                            "line": 3,
+                                            "column": 19
+                                        }
+                                    },
+                                    "value": "bar",
+                                    "raw": "'bar'"
+                                }
+                            }
+                        ],
+                        "kind": "let"
+                    },
+                    {
+                        "type": "VariableDeclaration",
+                        "range": [
+                            70,
+                            94
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 4,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 4,
+                                "column": 28
+                            }
+                        },
+                        "declarations": [
+                            {
+                                "type": "VariableDeclarator",
+                                "range": [
+                                    76,
+                                    93
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 4,
+                                        "column": 10
+                                    },
+                                    "end": {
+                                        "line": 4,
+                                        "column": 27
+                                    }
+                                },
+                                "id": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        76,
+                                        82
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 4,
+                                            "column": 10
+                                        },
+                                        "end": {
+                                            "line": 4,
+                                            "column": 16
+                                        }
+                                    },
+                                    "name": "fooBar"
+                                },
+                                "init": {
+                                    "type": "Literal",
+                                    "range": [
+                                        85,
+                                        93
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 4,
+                                            "column": 19
+                                        },
+                                        "end": {
+                                            "line": 4,
+                                            "column": 27
+                                        }
+                                    },
+                                    "value": "fooBar",
+                                    "raw": "'fooBar'"
+                                }
+                            }
+                        ],
+                        "kind": "const"
+                    }
+                ]
+            }
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Identifier",
+            "value": "async",
+            "range": [
+                0,
+                5
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 5
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "function",
+            "range": [
+                6,
+                14
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 6
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "test",
+            "range": [
+                15,
+                19
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 15
+                },
+                "end": {
+                    "line": 1,
+                    "column": 19
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "range": [
+                19,
+                20
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 19
+                },
+                "end": {
+                    "line": 1,
+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "range": [
+                20,
+                21
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 20
+                },
+                "end": {
+                    "line": 1,
+                    "column": 21
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                22,
+                23
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 22
+                },
+                "end": {
+                    "line": 1,
+                    "column": 23
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "var",
+            "range": [
+                28,
+                31
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 4
+                },
+                "end": {
+                    "line": 2,
+                    "column": 7
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "range": [
+                32,
+                35
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 8
+                },
+                "end": {
+                    "line": 2,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "range": [
+                36,
+                37
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 12
+                },
+                "end": {
+                    "line": 2,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "String",
+            "value": "'foo'",
+            "range": [
+                38,
+                43
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 14
+                },
+                "end": {
+                    "line": 2,
+                    "column": 19
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "range": [
+                43,
+                44
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 19
+                },
+                "end": {
+                    "line": 2,
+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "let",
+            "range": [
+                49,
+                52
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 4
+                },
+                "end": {
+                    "line": 3,
+                    "column": 7
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "range": [
+                53,
+                56
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 8
+                },
+                "end": {
+                    "line": 3,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "range": [
+                57,
+                58
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 12
+                },
+                "end": {
+                    "line": 3,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "String",
+            "value": "'bar'",
+            "range": [
+                59,
+                64
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 14
+                },
+                "end": {
+                    "line": 3,
+                    "column": 19
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "range": [
+                64,
+                65
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 19
+                },
+                "end": {
+                    "line": 3,
+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "const",
+            "range": [
+                70,
+                75
+            ],
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 4
+                },
+                "end": {
+                    "line": 4,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "fooBar",
+            "range": [
+                76,
+                82
+            ],
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 10
+                },
+                "end": {
+                    "line": 4,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "range": [
+                83,
+                84
+            ],
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 17
+                },
+                "end": {
+                    "line": 4,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "String",
+            "value": "'fooBar'",
+            "range": [
+                85,
+                93
+            ],
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 19
+                },
+                "end": {
+                    "line": 4,
+                    "column": 27
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "range": [
+                93,
+                94
+            ],
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 27
+                },
+                "end": {
+                    "line": 4,
+                    "column": 28
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                95,
+                96
+            ],
+            "loc": {
+                "start": {
+                    "line": 5,
+                    "column": 0
+                },
+                "end": {
+                    "line": 5,
+                    "column": 1
+                }
+            }
+        }
+    ]
+};
diff --git a/tests/fixtures/typescript/basics/async-function-with-var-declaration.src.ts b/tests/fixtures/typescript/basics/async-function-with-var-declaration.src.ts
new file mode 100644
index 0000000..e691825
--- /dev/null
+++ b/tests/fixtures/typescript/basics/async-function-with-var-declaration.src.ts
@@ -0,0 +1,5 @@
+async function test() {
+    var foo = 'foo';
+    let bar = 'bar';
+    const fooBar = 'fooBar';
+}