diff --git a/Objects/exceptions.c b/Objects/exceptions.c
index b40ecb7..4dad0b2 100644
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -6,6 +6,7 @@
 
 #define PY_SSIZE_T_CLEAN
 #include <Python.h>
+#include "pycore_coreconfig.h"
 #include "pycore_object.h"
 #include "pycore_pymem.h"
 #include "pycore_pystate.h"