diff --git a/source/client/src/clientHb.c b/source/client/src/clientHb.c
index fc03a66655..cf968937ac 100644
--- a/source/client/src/clientHb.c
+++ b/source/client/src/clientHb.c
@@ -844,7 +844,7 @@ void hbRemoveAppHbMrg(SAppHbMgr **pAppHbMgr) {
     if (pItem == *pAppHbMgr) {
       hbFreeAppHbMgr(*pAppHbMgr);
       *pAppHbMgr = NULL;
-      taosArraySet(clientHbMgr.appHbMgrs, i, NULL);
+      taosArraySet(clientHbMgr.appHbMgrs, i, pAppHbMgr);
       break;
     }
   }