#1535: rename __builtin__ module to builtins.
diff --git a/Modules/config.c.in b/Modules/config.c.in
index e9c54a9..0531fab 100644
--- a/Modules/config.c.in
+++ b/Modules/config.c.in
@@ -48,7 +48,7 @@
 
 	/* These entries are here for sys.builtin_module_names */
 	{"__main__", NULL},
-	{"__builtin__", NULL},
+	{"builtins", NULL},
 	{"sys", NULL},
 
 	/* This lives in gcmodule.c */