diff --git a/addons/website_blog/models/website_blog.py b/addons/website_blog/models/website_blog.py
index 00ede434fe9..01774727bdf 100644
--- a/addons/website_blog/models/website_blog.py
+++ b/addons/website_blog/models/website_blog.py
@@ -20,6 +20,7 @@
 ##############################################################################
 
 import random
+import difflib
 from datetime import datetime
 
 from openerp import tools