diff --git a/qa/tasks/mgr/test_orchestrator_cli.py b/qa/tasks/mgr/test_orchestrator_cli.py
index 65a2808040b..fcc487a6f9c 100644
--- a/qa/tasks/mgr/test_orchestrator_cli.py
+++ b/qa/tasks/mgr/test_orchestrator_cli.py
@@ -157,8 +157,8 @@ class TestOrchestratorCli(MgrTestCase):
         self._orch_cmd("host", "rm", "hostname")
 
     def test_mon_update(self):
-        self._orch_cmd("apply", "mon", "3", "host1:1.2.3.0/24", "host2:1.2.3.0/24", "host3:10.0.0.0/8")
-        self._orch_cmd("apply", "mon", "3", "host1:1.2.3.4", "host2:1.2.3.4", "host3:10.0.0.1")
+        self._orch_cmd("apply", "mon", "3 host1:1.2.3.0/24 host2:1.2.3.0/24 host3:10.0.0.0/8")
+        self._orch_cmd("apply", "mon", "3 host1:1.2.3.4 host2:1.2.3.4 host3:10.0.0.1")
 
     def test_mgr_update(self):
         self._orch_cmd("apply", "mgr", "3")