diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
index eca67d3..2bb6edc 100644
--- a/Modules/mmapmodule.c
+++ b/Modules/mmapmodule.c
@@ -1051,7 +1051,7 @@
 	{NULL,		NULL}	     /* Sentinel */
 };
 
-DL_EXPORT(void)
+PyMODINIT_FUNC
 	initmmap(void)
 {
 	PyObject *dict, *module;