diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index 6d51cee14e1717c3846e772eb6fc0f583499959f..e260ef4654fbf93c404b827de2265269c503fccf 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -890,6 +890,7 @@ void syncNodeCandidate2Leader(SSyncNode* pSyncNode) {
 
   // use this now
   syncNodeAppendNoop(pSyncNode);
+  syncMaybeAdvanceCommitIndex(pSyncNode);  // maybe only one replica
 
   // do not use this
   // syncNodeEqNoop(pSyncNode);