--- a/src/core/wp_utils.py	Mon Jul 29 21:04:05 2013 +0200
+++ b/src/core/wp_utils.py	Mon Jul 29 22:55:07 2013 +0200
@@ -192,7 +192,7 @@
     new_label = wp_res['new_label']
     alternative_label= wp_res['alternative_label']
     status =  wp_res['status']
-    url = wp_res['wikipedia_url'] + ("#"+fragment if label_is_url else "")    
+    url = wp_res['wikipedia_url'] + ("#"+fragment if label_is_url else "") if wp_res['wikipedia_url'] else None    
     alternative_url = wp_res['alternative_wikipedia_url']
     pageid = wp_res['pageid']
     alternative_pageid = wp_res['alternative_pageid']