diff --git a/Include/mappingobject.h b/Include/mappingobject.h
index f8e838c..584ee5a 100644
--- a/Include/mappingobject.h
+++ b/Include/mappingobject.h
@@ -31,7 +31,7 @@
 /* Dictionary object type -- mapping from hashable object to object */
 /* NB Should be moved back to dictobject.h */
 
-extern DL_IMPORT PyTypeObject PyDict_Type;
+extern DL_IMPORT(PyTypeObject) PyDict_Type;
 
 #define PyDict_Check(op) ((op)->ob_type == &PyDict_Type)