diff --git a/src/gui/main_window.py b/src/gui/main_window.py
index 3c49163..fa71de1 100644
--- a/src/gui/main_window.py
+++ b/src/gui/main_window.py
@@ -111,7 +111,8 @@ class MainWindow(ctk.CTk):
         Returns:
             Path to user config file, or None if not found.
         """
-        app_dir = Path(__file__).parent.parent
+        # Navigate from src/gui/main_window.py -> project root
+        app_dir = Path(__file__).parent.parent.parent
 
         # 1. Check for user config at project root
         user_config = app_dir / "config.yaml"
@@ -139,7 +140,8 @@ class MainWindow(ctk.CTk):
         Returns:
             Path to user config file.
         """
-        app_dir = Path(__file__).parent.parent
+        # Navigate from src/gui/main_window.py -> project root
+        app_dir = Path(__file__).parent.parent.parent
         config_path = app_dir / "config.yaml"
         config_path.parent.mkdir(parents=True, exist_ok=True)
         return config_path