diff --git a/tests/interfaces/openlp_plugins/media/forms/test_mediaclipselectorform.py b/tests/interfaces/openlp_plugins/media/forms/test_mediaclipselectorform.py
index 2346bba9c..89810aa50 100644
--- a/tests/interfaces/openlp_plugins/media/forms/test_mediaclipselectorform.py
+++ b/tests/interfaces/openlp_plugins/media/forms/test_mediaclipselectorform.py
@@ -70,6 +70,7 @@ class TestMediaClipSelectorForm(TestCase, TestMixin):
         self.form.media_state_wait = mock_media_state_wait
         self.form.application.set_busy_cursor = MagicMock()
         self.form.application.set_normal_cursor = MagicMock()
+        self.form.find_optical_devices = MagicMock()
 
     def tearDown(self):
         """