diff --git a/zaza/charm_tests/ceph/tests.py b/zaza/charm_tests/ceph/tests.py
index 069f3c5..5cd234b 100644
--- a/zaza/charm_tests/ceph/tests.py
+++ b/zaza/charm_tests/ceph/tests.py
@@ -563,6 +563,5 @@ class CephRGWTest(test_utils.OpenStackBaseTest):
                                 'testfile',
                                 contents='Test data from Zaza',
                                 content_type='text/plain')
-        _, content = swift_client.get_object('testfile',
-                                             container=_container)
+        _, content = swift_client.get_object(_container, 'testfile')
         self.assertEqual(content, 'Test data from Zaza')