diff --git a/Objects/methodobject.c b/Objects/methodobject.c
index b997746..7d70cc0 100644
--- a/Objects/methodobject.c
+++ b/Objects/methodobject.c
@@ -319,7 +319,7 @@
 }
 
 void
-PyCFunction_Fini(void)
+_PyCFunction_Fini(void)
 {
     (void)PyCFunction_ClearFreeList();
 }