diff --git a/Include/Python.h b/Include/Python.h
index 3389c0a..b36b5da 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -31,6 +31,7 @@
 
 #include "patchlevel.h"
 #include "config.h"
+#include "pyport.h"
 
 /* config.h may or may not define DL_IMPORT */
 #ifndef DL_IMPORT	/* declarations for DLL import/export */