diff --git a/demos/widget-factory/widget-factory.ui b/demos/widget-factory/widget-factory.ui
index 6800cffdd1..c37ade2945 100644
--- a/demos/widget-factory/widget-factory.ui
+++ b/demos/widget-factory/widget-factory.ui
@@ -2902,7 +2902,7 @@ bad things might happen.</property>
 
     <action-widgets>
       <action-widget response="cancel">cancel_info_dialog</action-widget>
-      <action-widget response="ok">doit_info_dialog</action-widget>
+      <action-widget response="ok" default="true">doit_info_dialog</action-widget>
     </action-widgets>
   </object>
   <object class="GtkDialog" id="action_dialog">