diff --git a/cao_sunyata/models/entries.py b/cao_sunyata/models/entries.py
index 7ad0c92..f09efb5 100644
--- a/cao_sunyata/models/entries.py
+++ b/cao_sunyata/models/entries.py
@@ -141,7 +141,7 @@ def delete_topic(request, topic):
 
 def update_entry(request, blog_id, new_values):
     # si le title a changé, modifier le title_url en urlify le nouveau titre
-    if new_values['title']:
+    if 'title' in new_values:
         new_values['title_url'] = urlify(new_values['title'].replace("'","-"))
 
     # formater les champs