diff --git a/tests/functional/openlp_core_ui/test_maindisplay.py b/tests/functional/openlp_core_ui/test_maindisplay.py
index 1f4649dbc..563eb578d 100644
--- a/tests/functional/openlp_core_ui/test_maindisplay.py
+++ b/tests/functional/openlp_core_ui/test_maindisplay.py
@@ -141,14 +141,13 @@ class TestMainDisplay(TestCase, TestMixin):
         mocked_songs_plugin.refresh_css.assert_called_with(main_display.frame)
         mocked_bibles_plugin.refresh_css.assert_called_with(main_display.frame)
 
-    @skipUnless(is_macosx(), 'Can only run test on Mac OS X due to pyobjc dependency.')
-    def macosx_display_window_flags_state_test(self, is_macosx):
+    @patch('openlp.core.ui.maindisplay.is_macosx')
+    def macosx_display_window_flags_state_test(self, mocked_is_macosx):
         """
         Test that on Mac OS X we set the proper window flags
         """
-        if not is_macosx():
-            self.skipTest('Can only run test on Mac OS X due to pyobjc dependency.')
         # GIVEN: A new SlideController instance on Mac OS X.
+        mocked_is_macosx.return_value = True
         self.screens.set_current_display(0)
         display = MagicMock()