diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 0e74b56882618a1a90a338141253545ff8a08e88..ea91cc06c8729355703020db617d0848df81bb41 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -569,6 +569,7 @@ int32_t projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSDataBloc
   }
 
   pResult->info.groupId = pSrcBlock->info.groupId;
+  memcpy(pResult->info.parTbName, pSrcBlock->info.parTbName, TSDB_TABLE_NAME_LEN);
 
   // if the source equals to the destination, it is to create a new column as the result of scalar
   // function or some operators.