diff --git a/addons/rating_project/models/project.py b/addons/rating_project/models/project.py
index 5c4eb6fc119..759c93fe177 100644
--- a/addons/rating_project/models/project.py
+++ b/addons/rating_project/models/project.py
@@ -43,8 +43,8 @@ class Task(models.Model):
                 force_send = self.env.context.get('force_send', True)
                 task.rating_send_request(rating_template, reuse_rating=False, force_send=force_send)
 
-    def _rating_get_partner_id(self):
-        res = super(Task, self)._rating_get_partner_id()
+    def rating_get_partner_id(self):
+        res = super(Task, self).rating_get_partner_id()
         if not res and self.project_id.partner_id:
             return self.project_id.partner_id
         return res