diff --git a/addons/mail/mail_followers.py b/addons/mail/mail_followers.py
index d729efc0f5c..450b81dabbf 100644
--- a/addons/mail/mail_followers.py
+++ b/addons/mail/mail_followers.py
@@ -139,10 +139,10 @@ class mail_notification(osv.Model):
             company = user.company_id.website and "<a style='color:inherit' href='%s'>%s</a>" % (user.company_id.website, user.company_id.name) or user.company_id.name
         else:
             company = user.name
-        signature_company = _('<small>Send by %(company)s using %(openerp)s.</small>' % {
+        signature_company = _('<small>Send by %(company)s using %(openerp)s.</small>') % {
                 'company': company,
                 'openerp': "<a style='color:inherit' href='https://www.openerp.com/'>OpenERP</a>"
-            })
+            }
         footer = tools.append_content_to_html(footer, signature_company, plaintext=False, container_tag='div')
 
         return footer