diff --git a/source/libs/executor/src/filloperator.c b/source/libs/executor/src/filloperator.c
index f0bc79e1b204e24ebdae061b2dd08d0a44dcf375..861d9dcf2b51d2440e53d9a8f11f5c1718a52ae8 100644
--- a/source/libs/executor/src/filloperator.c
+++ b/source/libs/executor/src/filloperator.c
@@ -147,6 +147,7 @@ static SSDataBlock* doFillImpl(SOperatorInfo* pOperator) {
 
       taosFillSetStartInfo(pInfo->pFillInfo, 0, pInfo->win.ekey);
     } else {
+      pBlock->info.dataLoad = 1;
       blockDataUpdateTsWindow(pBlock, pInfo->primarySrcSlotId);
 
       blockDataCleanup(pInfo->pRes);