diff --git a/Python/thread.c b/Python/thread.c
index b5d99ef..0b0316a 100644
--- a/Python/thread.c
+++ b/Python/thread.c
@@ -5,7 +5,7 @@
    which is included by this file dependent on config settings.
    Stuff shared by all thread_*.h files is collected here. */
 
-#include "config.h"
+#include "pyconfig.h"
 
 /* config.h may or may not define DL_IMPORT */
 #ifndef DL_IMPORT	/* declarations for DLL import/export */