diff --git a/gtk/gtkgizmo.c b/gtk/gtkgizmo.c
index 45b23b20eb..d1af37aa65 100644
--- a/gtk/gtkgizmo.c
+++ b/gtk/gtkgizmo.c
@@ -88,6 +88,8 @@ gtk_gizmo_css_changed (GtkWidget         *widget,
 {
   GtkGizmo *self = GTK_GIZMO (widget);
 
+  GTK_WIDGET_CLASS (gtk_gizmo_parent_class)->css_changed (widget, change);
+
   if (self->css_changed_func)
     self->css_changed_func (self, change);
 }