diff --git a/windows.py b/windows.py
index d5e1b3b..1b3efbe 100644
--- a/windows.py
+++ b/windows.py
@@ -525,7 +525,7 @@ def _edit_config_dialog() -> None:
             merged["force_test_dc"] = _config.get("force_test_dc", DEFAULT_CONFIG["force_test_dc"])
 
             _ui_only_keys = {"appearance", "autostart", "check_updates", "language"}
-            config_changed = any(merged.get(k) != _config.get(k) for k in merged)
+            config_changed = any(merged.get(k) != cfg.get(k) for k in merged)
             proxy_changed = any(merged.get(k) != _config.get(k) for k in merged if k not in _ui_only_keys)
 
             if not config_changed: