diff --git a/tests/test_settings/__init__.py b/tests/test_settings/__init__.py
index 5fa22ca77..54b834aa0 100644
--- a/tests/test_settings/__init__.py
+++ b/tests/test_settings/__init__.py
@@ -219,12 +219,9 @@ class SettingsTest(unittest.TestCase):
                              "Trying to modify an immutable Settings object")
 
     def test_frozencopy(self):
-        with mock.patch.object(self.settings, 'copy') as mock_copy:
-            with mock.patch.object(mock_copy, 'freeze') as mock_freeze:
-                mock_object = self.settings.frozencopy()
-                mock_copy.assert_call_once()
-                mock_freeze.assert_call_once()
-                self.assertEqual(mock_object, mock_copy.return_value)
+        frozencopy = self.settings.frozencopy()
+        self.assertTrue(frozencopy.frozen)
+        self.assertIsNot(frozencopy, self.settings)
 
     def test_deprecated_attribute_overrides(self):
         self.settings.set('BAR', 'fuz', priority='cmdline')