diff --git a/src/core/gcal-calendar.c b/src/core/gcal-calendar.c
index ecbab1a3..e385fa85 100644
--- a/src/core/gcal-calendar.c
+++ b/src/core/gcal-calendar.c
@@ -231,7 +231,7 @@ gcal_calendar_finalize (GObject *object)
   selectable_extension = e_source_get_extension (priv->source, E_SOURCE_EXTENSION_CALENDAR);
 
   gcal_clear_signal_handler (&priv->color_changed_handler_id, selectable_extension);
-  gcal_clear_signal_handler (&priv->name_changed_handler_id, selectable_extension);
+  gcal_clear_signal_handler (&priv->name_changed_handler_id, priv->source);
   gcal_clear_signal_handler (&priv->readonly_changed_handler_id, priv->client);
 
   g_clear_object (&priv->client);