diff --git a/partner_phone_search/models/res_partner.py b/partner_phone_search/models/res_partner.py
index 57a4023ee..c8855311c 100644
--- a/partner_phone_search/models/res_partner.py
+++ b/partner_phone_search/models/res_partner.py
@@ -23,7 +23,8 @@ class ResPartner(models.Model):
                 limit_rest = limit
             if limit_rest or not limit:
                 args += [('id', 'not in', partners.ids)]
-            return res += super(ResPartner, self).name_search(
+            res += super(ResPartner, self).name_search(
                 name, args=args, operator=operator, limit=limit_rest)
+            return res
         return super(ResPartner, self).name_search(
             name=name, args=args, operator=operator, limit=limit)