diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
index c8fe03164b..0415340be9 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
@@ -448,7 +448,7 @@ int32_t vmStartWorker(SVnodeMgmt *pMgmt) {
   if (tSingleWorkerInit(&pMgmt->mgmtWorker, &mgmtCfg) != 0) return -1;
 
   int32_t threadNum = 0;
-  if (tsNumOfCores == 0) {
+  if (tsNumOfCores == 1) {
     threadNum = 2;
   } else {
     threadNum = tsNumOfCores;