diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index 0fec1e61d24301a90d110f959c4ce3ed9453b50b..df5cc3324f5568b3ab75a1b3081c3d80226aa9e5 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -2542,7 +2542,7 @@ static SSDataBlock* doTimeslice(SOperatorInfo* pOperator) {
 
     // check if need to interpolate after ts range
     // except for fill(next)
-    while (pSliceInfo->current <= pSliceInfo->win.ekey && pSliceInfo->fillType != TSDB_FILL_NEXT) {
+    while (pSliceInfo->current <= pSliceInfo->win.ekey && pSliceInfo->fillType != TSDB_FILL_NEXT && pSliceInfo->fillType != TSDB_FILL_LINEAR) {
       genInterpolationResult(pSliceInfo, &pOperator->exprSupp, pBlock, pResBlock);
       pSliceInfo->current =
           taosTimeAdd(pSliceInfo->current, pInterval->interval, pInterval->intervalUnit, pInterval->precision);