diff --git a/discover_overlay/general_settings.py b/discover_overlay/general_settings.py
index 3c76efb..01d24df 100644
--- a/discover_overlay/general_settings.py
+++ b/discover_overlay/general_settings.py
@@ -19,6 +19,7 @@ class GeneralSettingsWindow(SettingsWindow):
         self.connect("delete-event", self.close_window)
         self.init_config()
         self.a = Autostart("discover_overlay")
+        self.placement_window = None
 
         self.create_gui()