diff --git a/tests/system-test/0-others/user_control.py b/tests/system-test/0-others/user_control.py
index 873c7a7629b217e7b9906b0abe897322d348e534..a453058ea901b5d138337df67c398c1b7f5baa5e 100644
--- a/tests/system-test/0-others/user_control.py
+++ b/tests/system-test/0-others/user_control.py
@@ -184,7 +184,7 @@ class TDTestCase:
         login_except = False
         try:
             with taos_connect(user=user, passwd=passwd) as conn:
-                cursor = conn.cursor()
+                cursor = conn.cursor
         except BaseException:
             login_except = True
             cursor = None