diff --git a/source/dnode/mnode/impl/src/mndTopic.c b/source/dnode/mnode/impl/src/mndTopic.c
index ae76f3be31..4a0d58a32e 100644
--- a/source/dnode/mnode/impl/src/mndTopic.c
+++ b/source/dnode/mnode/impl/src/mndTopic.c
@@ -386,7 +386,7 @@ static int32_t sendCheckInfoToVnode(STrans *pTrans, SMnode *pMnode, SMqTopicObj
     SEncoder encoder;
     tEncoderInit(&encoder, abuf, len);
     code = tEncodeSTqCheckInfo(&encoder, &info);
-    if (code != 0) {
+    if (code < 0) {
       terrno = TSDB_CODE_OUT_OF_MEMORY;
       goto END;
     }