diff --git a/lib/asyn-thrdd.c b/lib/asyn-thrdd.c
index f82eb29ba8..4f657b4a4b 100644
--- a/lib/asyn-thrdd.c
+++ b/lib/asyn-thrdd.c
@@ -346,7 +346,7 @@ static CURL_THREAD_RETURN_T CURL_STDCALL gethostbyname_thread(void *arg)
 #pragma clang diagnostic pop
 #endif
 
-  async_thrd_cleanup(addr_ctx, 0);
+  async_thrd_cleanup(addr_ctx);
   return 0;
 }