diff --git a/source/util/src/tcache.c b/source/util/src/tcache.c
index 7d1686ef80..761da6986b 100644
--- a/source/util/src/tcache.c
+++ b/source/util/src/tcache.c
@@ -921,7 +921,7 @@ void taosCacheRefresh(SCacheObj *pCacheObj, __cache_trav_fn_t fp, void *param1)
 void taosStopCacheRefreshWorker(void) {
   stopRefreshWorker = true;
   TdThreadOnce tmp = PTHREAD_ONCE_INIT;
-  if (memcmp(&cacheRefreshWorker, &tmp, sizeof(TdThreadOnce)) != 0) taosThreadJoin(cacheRefreshWorker, NULL);
+  if (memcmp(&cacheThreadInit, &tmp, sizeof(TdThreadOnce)) != 0) taosThreadJoin(cacheRefreshWorker, NULL);
   taosArrayDestroy(pCacheArrayList);
 }