diff --git a/tests/test_project_settings_rename.py b/tests/test_project_settings_rename.py
index 89689c6..4e8e4e6 100644
--- a/tests/test_project_settings_rename.py
+++ b/tests/test_project_settings_rename.py
@@ -5,7 +5,7 @@ import inspect
 def test_context_hub_renamed_to_project_settings():
     import src.gui_2 as gui_2
 
-    source = inspect.getsource(gui_2.App._gui_func)
+    source = inspect.getsource(gui_2.App._render_main_interface)
     assert "Project Settings" in source, (
         "Context Hub should be renamed to Project Settings"
     )