diff --git a/qa/tasks/mgr/mgr_test_case.py b/qa/tasks/mgr/mgr_test_case.py
index 0734842fa05..ec3f98d28bb 100644
--- a/qa/tasks/mgr/mgr_test_case.py
+++ b/qa/tasks/mgr/mgr_test_case.py
@@ -89,7 +89,8 @@ class MgrTestCase(CephTestCase):
             timeout=20)
 
     def _load_module(self, module_name):
-        loaded = json.loads(self.mgr_cluster.mon_manager.raw_cluster_cmd("mgr", "module", "ls"))
+        loaded = json.loads(self.mgr_cluster.mon_manager.raw_cluster_cmd(
+                   "mgr", "module", "ls"))['enabled_modules']
         if module_name in loaded:
             # The enable command is idempotent, but our wait for a restart
             # isn't, so let's return now if it's already loaded