diff --git a/source/libs/executor/src/executil.c b/source/libs/executor/src/executil.c
index 040e67713d370fcae4b8893fbf7d3b69b71a4e71..b2d2a069538c903c21ac5a0b42e795d8ff4e55a8 100644
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@@ -1696,7 +1696,7 @@ static void getInitialStartTimeWindow(SInterval* pInterval, TSKEY ts, STimeWindo
     int64_t key = w->skey;
     while (key < ts) {  // moving towards end
       key = taosTimeAdd(key, pInterval->sliding, pInterval->slidingUnit, pInterval->precision);
-      if (key >= ts) {
+      if (key > ts) {
         break;
       }