diff --git a/tests/system-test/0-others/splitVGroupRep3.py b/tests/system-test/0-others/splitVGroupRep3.py
index 4639b9db23..68c915eeaf 100644
--- a/tests/system-test/0-others/splitVGroupRep3.py
+++ b/tests/system-test/0-others/splitVGroupRep3.py
@@ -380,7 +380,7 @@ class TDTestCase:
         tdSql.execute("use streamdb;")
         tdSql.execute("create table ta(ts timestamp, age int);")
         tdSql.execute("create stream ma into sta as select count(*) from ta interval(1s);")
-        #self.expectSplitError("streamdb")
+        self.expectSplitError("streamdb")
         tdSql.execute("drop stream ma;")
         self.expectSplitOk("streamdb")