diff --git a/zaza/openstack/charm_tests/ceph/rbd_mirror/tests.py b/zaza/openstack/charm_tests/ceph/rbd_mirror/tests.py
index 1abf2245d..bf4ed4369 100644
--- a/zaza/openstack/charm_tests/ceph/rbd_mirror/tests.py
+++ b/zaza/openstack/charm_tests/ceph/rbd_mirror/tests.py
@@ -801,7 +801,7 @@ def test_100_forced_juju_failover(self):
             action_params={
                 'pools': ','.join(site_b_pools),
             })
-        self.assertEqual(int(result.get('Code')), 0)
+        self.assertEqual(int(result.results["return-code"]), 0)
 
         # The action may not show up as 'failed' if there are no pools that
         # needed to be promoted.