diff --git a/src/gcal-subscriber-view.h b/src/gcal-subscriber-view.h
index 6805e764..dda9f351 100644
--- a/src/gcal-subscriber-view.h
+++ b/src/gcal-subscriber-view.h
@@ -60,6 +60,8 @@ struct _GcalSubscriberViewClass
   GtkWidget*     (*get_child_by_uuid)        (GcalSubscriberView *subscriber_view, const gchar *uuid);
 };
 
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (GcalSubscriberView, g_object_unref)
+
 GType          gcal_subscriber_view_get_type           (void);
 
 GtkWidget*     gcal_subscriber_view_get_child_by_uuid  (GcalSubscriberView *subscriber_view,