diff --git a/addons/mail/models/mail_thread.py b/addons/mail/models/mail_thread.py
index 757a77735f3..27357c8d8cb 100644
--- a/addons/mail/models/mail_thread.py
+++ b/addons/mail/models/mail_thread.py
@@ -2324,7 +2324,7 @@ class MailThread(models.AbstractModel):
             params['token'] = token
 
         link = '%s?%s' % (base_link, url_encode(params))
-        if self and hasattr(self, 'get_base_url'):
+        if self:
             link = self[0].get_base_url() + link
 
         return link