diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index 3cf803c363..013c58cc45 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -1611,7 +1611,7 @@ int32_t minmaxFunctionFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
   int32_t currentRow = pBlock->info.rows;
 
   SColumnInfoData* pCol = taosArrayGet(pBlock->pDataBlock, slotId);
-  pEntryInfo->isNullRes = pEntryInfo->numOfRes == 0;
+  pEntryInfo->isNullRes = (pEntryInfo->numOfRes == 0) ? 1 : 0;
 
   if (pCol->info.type == TSDB_DATA_TYPE_FLOAT) {
     float v = *(double*)&pRes->v;