diff --git a/Window.py b/Window.py
index f10d0c0..c5cfbcd 100644
--- a/Window.py
+++ b/Window.py
@@ -373,6 +373,8 @@ class Window:
 
     def destroy_event(self, widget, data=None):
         # could be called by window or exit button
+        # save any config changes
+        self.config.write()
         gtk.main_quit()
 
     def window_key_press_event(self, widget, event, data=None):