diff --git a/source/libs/executor/src/sortoperator.c b/source/libs/executor/src/sortoperator.c
index 005b794f0b..7c7ff9be86 100644
--- a/source/libs/executor/src/sortoperator.c
+++ b/source/libs/executor/src/sortoperator.c
@@ -105,6 +105,7 @@ void appendOneRowToDataBlock(SSDataBlock* pBlock, STupleHandle* pTupleHandle) {
     }
   }
 
+  pBlock->info.dataLoad = 1;
   pBlock->info.rows += 1;
 }