diff --git a/base_user_role/README.rst b/base_user_role/README.rst
index 1ad67ef5..dffc6afd 100644
--- a/base_user_role/README.rst
+++ b/base_user_role/README.rst
@@ -119,6 +119,7 @@ Contributors
 * Sébastien Alix <sebastien.alix@osiell.com>
 * Duc, Dao Dong <duc.dd@komit-consulting.com> (https://komit-consulting.com)
 * Jean-Charles Drubay <jc@komit-consulting.com> (https://komit-consulting.com)
+* Antonio Russo <antonio.r@rwsdigital.com>
 
 Do not contact contributors directly about support or help with technical issues.
 
diff --git a/base_user_role/models/role.py b/base_user_role/models/role.py
index cf061178..2c6119b8 100644
--- a/base_user_role/models/role.py
+++ b/base_user_role/models/role.py
@@ -4,6 +4,7 @@ import datetime
 import logging
 
 from odoo import api, fields, models
+from odoo import SUPERUSER_ID
 
 
 _logger = logging.getLogger(__name__)
@@ -76,7 +77,8 @@ class ResUsersRoleLine(models.Model):
         comodel_name='res.users.role', string="Role",
         ondelete='cascade')
     user_id = fields.Many2one(
-        comodel_name='res.users', string="User")
+        comodel_name='res.users', string="User",
+        domain=[('id', '!=', SUPERUSER_ID)])
     date_from = fields.Date("From")
     date_to = fields.Date("To")
     is_enabled = fields.Boolean("Enabled", compute='_compute_is_enabled')