diff --git a/addons/auth_signup/models/res_users.py b/addons/auth_signup/models/res_users.py
index a2280ac14ce..45721a99854 100644
--- a/addons/auth_signup/models/res_users.py
+++ b/addons/auth_signup/models/res_users.py
@@ -92,7 +92,7 @@ class ResUsers(models.Model):
 
         if not values.get('login'):
             raise ValueError(_('Signup: no login given for new user'))
-        if not values.get('partner_id') or not values.get('name'):
+        if not values.get('partner_id') and not values.get('name'):
             raise ValueError(_('Signup: no name or partner given for new user'))
 
         # create a copy of the template user (attached to a specific partner_id if given)