diff --git a/src/st/st-widget.c b/src/st/st-widget.c
index 9546c1c72..c01866bee 100644
--- a/src/st/st-widget.c
+++ b/src/st/st-widget.c
@@ -2502,6 +2502,8 @@ st_widget_accessible_dispose (GObject *gobject)
       g_object_unref (self->priv->current_label);
       self->priv->current_label = NULL;
     }
+
+  G_OBJECT_CLASS (st_widget_accessible_parent_class)->dispose (gobject);
 }
 
 static void