diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 5e334fb1ff..0d805cb8a4 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -535,8 +535,8 @@ int32_t blockDataUpdatePkRange(SSDataBlock* pDataBlock, int32_t pkColumnIndex, b
 
   if (asc) {
     if (IS_NUMERIC_TYPE(pColInfoData->info.type)) {
-      pDataBlock->info.pks[0].val = *(int64_t*) skey;
-      pDataBlock->info.pks[1].val = *(int64_t*) ekey;
+      pDataBlock->info.pks[0].val = *(int32_t*) skey;
+      pDataBlock->info.pks[1].val = *(int32_t*) ekey;
     } else {  // todo refactor
       memcpy(pDataBlock->info.pks[0].pData, varDataVal(skey), varDataLen(skey));
       pDataBlock->info.pks[0].nData = varDataLen(skey);