diff --git a/odex25_sales/dev_membership/models/res_partner.py b/odex25_sales/dev_membership/models/res_partner.py
index e435cb7c0..68b012d2f 100644
--- a/odex25_sales/dev_membership/models/res_partner.py
+++ b/odex25_sales/dev_membership/models/res_partner.py
@@ -187,7 +187,7 @@ class Partner(models.Model):
     @api.constrains('mobile','is_member')
     def _check_mobile_required_if_member(self):
          for record in self:
-             if record.is_member and not record.mobile:
+             if record.is_member and not record.mobile and record.parent_id == False:
                  raise ValidationError(_("Mobile number is required for members."))