diff --git a/Include/frameobject.h b/Include/frameobject.h
index 949016a..e0c94e0 100644
--- a/Include/frameobject.h
+++ b/Include/frameobject.h
@@ -61,7 +61,7 @@
 
 /* Standard object interface */
 
-extern DL_IMPORT PyTypeObject PyFrame_Type;
+extern DL_IMPORT(PyTypeObject) PyFrame_Type;
 
 #define PyFrame_Check(op) ((op)->ob_type == &PyFrame_Type)