diff --git a/tests/system-test/2-query/nestedQuery.py b/tests/system-test/2-query/nestedQuery.py
index 1e3be72058..3ea839a03c 100755
--- a/tests/system-test/2-query/nestedQuery.py
+++ b/tests/system-test/2-query/nestedQuery.py
@@ -6085,7 +6085,7 @@ class TDTestCase:
         #6 
         tdSql.query("select 6-1 from stable_1;")
         for i in range(self.fornum):
-            sql = "select count(*) from (select avg()/1000 from stable_1); "
+            sql = "select count(*) from (select avg(q_int)/1000 from stable_1); "
             tdLog.info(sql)
             tdLog.info(len(sql))
             tdSql.query(sql)