priv = MODEST_DIMMING_RULES_GROUP_GET_PRIVATE(obj);
- g_object_weak_unref (G_OBJECT (priv->window), on_window_destroy, obj);
+ if (priv->window)
+ g_object_weak_unref (G_OBJECT (priv->window), on_window_destroy, obj);
if (priv->name != NULL)
g_free(priv->name);