diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 79a5d55..3419baa 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -989,7 +989,7 @@
 }
 
 void
-PyTuple_Fini(void)
+_PyTuple_Fini(void)
 {
 #if PyTuple_MAXSAVESIZE > 0
     /* empty tuples are used all over the place and applications may