diff --git a/tests/test_gui.py b/tests/test_gui.py
index 970f288..db8288a 100644
--- a/tests/test_gui.py
+++ b/tests/test_gui.py
@@ -7,7 +7,7 @@ class TestGUI(unittest.TestCase):
         pass
 
     def test_empty_attributes(self):
-        self.test_gui = gui.GUI(None, '../GUI.cfg.sample', in_source=False)
+        self.test_gui = gui.GUI(None, config_file="../GUI.cfg.sample", in_source=True)
         self.test_gui.window.after(9, self.test_gui.prepare_search)
         self.test_gui.window.after(11, self.test_gui.window.destroy)
         self.test_gui.run()
@@ -20,7 +20,7 @@ class TestGUI(unittest.TestCase):
 
 
     def test_no_configurations(self):
-        self.test_gui = gui.GUI(None)
+        self.test_gui = gui.GUI(None, config_file="../GUI.cfg.sample")
         self.test_gui.configurator = gui.ConfigImporter('')
         self.test_gui.finish_with_search = True
         self.test_gui.window.after(9, self.test_gui.prepare_search)