diff --git a/nova/tests/unit/compute/test_compute_mgr.py b/nova/tests/unit/compute/test_compute_mgr.py
index e18adea..858e6a6 100644
--- a/nova/tests/unit/compute/test_compute_mgr.py
+++ b/nova/tests/unit/compute/test_compute_mgr.py
@@ -1449,7 +1449,7 @@ class ComputeManagerUnitTestCase(test.NoDBTestCase):
         # Test getting instances when driver doesn't support
         # 'list_instance_uuids'
         self.compute.host = 'host'
-        filters = {'host': self.compute.host}
+        filters = {}

         self.flags(instance_name_template='inst-%i')

@@ -1483,7 +1483,8 @@ class ComputeManagerUnitTestCase(test.NoDBTestCase):

         self.assertEqual([x['uuid'] for x in driver_instances],
                          [x['uuid'] for x in result])
-        mock_instance_list.assert_called_with(self.context, filters,
+        expected_filters = {'host': 'host'}
+        mock_instance_list.assert_called_with(self.context, expected_filters,
                                               use_slave=True)