diff --git a/Objects/frameobject.c b/Objects/frameobject.c
index b982064..2c62b67 100644
--- a/Objects/frameobject.c
+++ b/Objects/frameobject.c
@@ -527,7 +527,7 @@
 
 static PyObject *builtin_object;
 
-int PyFrame_Init()
+int _PyFrame_Init()
 {
 	builtin_object = PyString_InternFromString("__builtins__");
 	return (builtin_object != NULL);