diff --git a/Include/Python.h b/Include/Python.h
index 1feb153..bf1ca6c 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -111,6 +111,7 @@
 #include "codecs.h"
 #include "pyerrors.h"
 
+#include "coreconfig.h"
 #include "pystate.h"
 #include "context.h"