diff --git a/builtin/builtin.go b/builtin/builtin.go
index 2512e2fd..828f8938 100644
--- a/builtin/builtin.go
+++ b/builtin/builtin.go
@@ -186,6 +186,12 @@ func builtin_print(self py.Object, args py.Tuple, kwargs py.StringDict) (py.Obje
 	if err != nil {
 		return nil, err
 	}
+
+	if kwargs["sep"] != nil {
+		sepObj = kwargs["sep"]
+	} else {
+		sepObj = py.String(" ")
+	}
 	sep := sepObj.(py.String)
 
 	if kwargs["end"] != nil {
diff --git a/builtin/tests/builtin.py b/builtin/tests/builtin.py
index e3a1c5a5..231c776d 100644
--- a/builtin/tests/builtin.py
+++ b/builtin/tests/builtin.py
@@ -281,6 +281,12 @@ def gen2():
     ok = True
 assert ok, "TypeError not raised"
 
+try:
+    print("hello","gpython", end="123\n")
+except TypeError as e:
+    ok = True
+assert ok, "TypeError not raised"
+
 try:
     print("hello", sep=" ", end=1)
 except TypeError as e: