diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index 554fce3968..f0358b6d7b 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -3924,7 +3924,7 @@ static int32_t outputPrevIntervalResult(SOperatorInfo* pOperatorInfo, uint64_t t
     return 0;
   }
 
-  if (newWin == NULL || (ascScan && newWin->skey > prevWin->ekey || (!ascScan) && newWin->skey < prevWin->ekey)) {
+  if (newWin == NULL || (ascScan && newWin->skey > prevWin->skey || (!ascScan) && newWin->skey < prevWin->skey)) {
     SET_RES_WINDOW_KEY(iaInfo->aggSup.keyBuf, &prevWin->skey, TSDB_KEYSIZE, tableGroupId);
     SResultRowPosition* p1 = (SResultRowPosition*)taosHashGet(iaInfo->aggSup.pResultRowHashTable, iaInfo->aggSup.keyBuf,
                                                               GET_RES_WINDOW_KEY_LEN(TSDB_KEYSIZE));