diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 638925120bbcd35fd6080cc314d88dc33cb81cdf..bc6c73aaaeb052e8784338be235de059cd7eab41 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -661,7 +661,7 @@ int32_t tscMergeTableDataBlocks(SSqlObj* pSql, SDataBlockList* pTableDataBlockLi
                                 TSDB_PAYLOAD_SIZE, tsInsertHeadSize, 0, pOneTableBlock->meterId, &dataBuf);
     if (ret != TSDB_CODE_SUCCESS) {
       tscError("%p failed to prepare the data block buffer for merging table data, code:%d", pSql, ret);
-      taosCleanUpHashTable(pVnodeDataBlockHashList);
+      taosCleanUpIntHash(pVnodeDataBlockHashList);
       tscDestroyBlockArrayList(pVnodeDataBlockList);
       
       return ret;