diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index 157d44b3de..a7e2b28de2 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -3185,7 +3185,8 @@ int32_t firstLastPartialFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
   } else {
     code = colDataSetVal(pCol, pBlock->info.rows, res, false);
     if (TSDB_CODE_SUCCESS != code) {
-      return TSDB_CODE_OUT_OF_MEMORY;
+      taosMemoryFree(res);
+      return code;
     }
     code = setSelectivityValue(pCtx, pBlock, &pRes->pos, pBlock->info.rows);
   }