diff --git a/lib/ast-converter.js b/lib/ast-converter.js
index 76805fc..7cc35a6 100644
--- a/lib/ast-converter.js
+++ b/lib/ast-converter.js
@@ -1087,8 +1087,10 @@ module.exports = function(ast, extra) {
                 break;
 
             case SyntaxKind.PropertyDeclaration:
+                var isAbstract = hasModifier(SyntaxKind.AbstractKeyword, node);
+
                 assign(result, {
-                    type: "ClassProperty",
+                    type: (isAbstract) ? "TSAbstractClassProperty" : "ClassProperty",
                     key: convertChild(node.name),
                     value: convertChild(node.initializer),
                     computed: (node.name.kind === SyntaxKind.ComputedPropertyName),
diff --git a/tests/fixtures/typescript/basics/abstract-class-with-abstract-properties.result.js b/tests/fixtures/typescript/basics/abstract-class-with-abstract-properties.result.js
new file mode 100644
index 0000000..d5b3cbc
--- /dev/null
+++ b/tests/fixtures/typescript/basics/abstract-class-with-abstract-properties.result.js
@@ -0,0 +1,413 @@
+module.exports = {
+    "type": "Program",
+    "range": [
+        0,
+        62
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 4,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "TSAbstractClassDeclaration",
+            "range": [
+                0,
+                62
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 4,
+                    "column": 1
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    15,
+                    18
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 15
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 18
+                    }
+                },
+                "name": "Foo"
+            },
+            "body": {
+                "type": "ClassBody",
+                "body": [
+                    {
+                        "type": "TSAbstractClassProperty",
+                        "range": [
+                            25,
+                            38
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 2,
+                                "column": 17
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                34,
+                                37
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 13
+                                },
+                                "end": {
+                                    "line": 2,
+                                    "column": 16
+                                }
+                            },
+                            "name": "bar"
+                        },
+                        "value": null,
+                        "computed": false,
+                        "static": false,
+                        "accessibility": null,
+                        "decorators": [],
+                        "typeAnnotation": null
+                    },
+                    {
+                        "type": "TSAbstractClassProperty",
+                        "range": [
+                            43,
+                            60
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 3,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 3,
+                                "column": 21
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                52,
+                                55
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 3,
+                                    "column": 13
+                                },
+                                "end": {
+                                    "line": 3,
+                                    "column": 16
+                                }
+                            },
+                            "name": "baz"
+                        },
+                        "value": {
+                            "type": "Literal",
+                            "range": [
+                                58,
+                                59
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 3,
+                                    "column": 19
+                                },
+                                "end": {
+                                    "line": 3,
+                                    "column": 20
+                                }
+                            },
+                            "value": 3,
+                            "raw": "3"
+                        },
+                        "computed": false,
+                        "static": false,
+                        "accessibility": null,
+                        "decorators": [],
+                        "typeAnnotation": null
+                    }
+                ],
+                "range": [
+                    19,
+                    62
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 19
+                    },
+                    "end": {
+                        "line": 4,
+                        "column": 1
+                    }
+                }
+            },
+            "superClass": null,
+            "implements": [],
+            "decorators": []
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Identifier",
+            "value": "abstract",
+            "range": [
+                0,
+                8
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "class",
+            "range": [
+                9,
+                14
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Foo",
+            "range": [
+                15,
+                18
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 15
+                },
+                "end": {
+                    "line": 1,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                19,
+                20
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 19
+                },
+                "end": {
+                    "line": 1,
+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "abstract",
+            "range": [
+                25,
+                33
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 4
+                },
+                "end": {
+                    "line": 2,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "range": [
+                34,
+                37
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 13
+                },
+                "end": {
+                    "line": 2,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "range": [
+                37,
+                38
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 16
+                },
+                "end": {
+                    "line": 2,
+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "abstract",
+            "range": [
+                43,
+                51
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 4
+                },
+                "end": {
+                    "line": 3,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "baz",
+            "range": [
+                52,
+                55
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 13
+                },
+                "end": {
+                    "line": 3,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "range": [
+                56,
+                57
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 17
+                },
+                "end": {
+                    "line": 3,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "Numeric",
+            "value": "3",
+            "range": [
+                58,
+                59
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 19
+                },
+                "end": {
+                    "line": 3,
+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "range": [
+                59,
+                60
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 20
+                },
+                "end": {
+                    "line": 3,
+                    "column": 21
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                61,
+                62
+            ],
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 0
+                },
+                "end": {
+                    "line": 4,
+                    "column": 1
+                }
+            }
+        }
+    ]
+};
diff --git a/tests/fixtures/typescript/basics/abstract-class-with-abstract-properties.src.ts b/tests/fixtures/typescript/basics/abstract-class-with-abstract-properties.src.ts
new file mode 100644
index 0000000..4212895
--- /dev/null
+++ b/tests/fixtures/typescript/basics/abstract-class-with-abstract-properties.src.ts
@@ -0,0 +1,4 @@
+abstract class Foo {
+    abstract bar;
+    abstract baz = 3;
+}