diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index dbd3f464eaf457b9002bb5cd6af6bfd88e5cfbc1..2d86e7c4e006fe0785826746e17d4865eaf26fe4 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -2010,7 +2010,7 @@ SSqlObj* createSubqueryObj(SSqlObj* pSql, int16_t tableIndex, void (*fp)(), void
     }
     
     // create the fields info from the sql functions
-    SColumnList columnList = {.num = 1};
+    SColumnList columnList = {.num = 0};
   
     for(int32_t k = 0; k < numOfOutputCols; ++k) {
       SSqlExpr* pExpr = tscSqlExprGet(pQueryInfo, indexList[k]);