diff --git a/Python/getargs.c b/Python/getargs.c
index 38eec17..38c9dde 100644
--- a/Python/getargs.c
+++ b/Python/getargs.c
@@ -1445,7 +1445,7 @@
                      len,
                      (len == 1) ? "" : "s",
                      nargs + nkeywords);
-        return 0;
+        return cleanreturn(0, &freelist);
     }
 
     /* convert tuple args and keyword args in same loop, using kwlist to drive process */