diff --git a/pos_config_single_user/__init__.py b/pos_config_single_user/__init__.py
index cc89676..4349578 100644
--- a/pos_config_single_user/__init__.py
+++ b/pos_config_single_user/__init__.py
@@ -1,3 +1 @@
-# -*- coding: utf-8 -*-
-
 from . import pos
diff --git a/pos_config_single_user/__manifest__.py b/pos_config_single_user/__manifest__.py
index 7712ddb..4e276e9 100644
--- a/pos_config_single_user/__manifest__.py
+++ b/pos_config_single_user/__manifest__.py
@@ -1,10 +1,10 @@
-# -*- coding: utf-8 -*-
-# © 2014-2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+# Copyright 2014-2020 Akretion France (http://www.akretion.com/)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 {
     'name': 'POS Config Single User',
-    'version': '10.0.1.0.0',
+    'version': '14.0.1.0.0',
     'category': 'Point Of Sale',
     'license': 'AGPL-3',
     'summary': 'Configure on each pos.config a single user allowed to start it',
diff --git a/pos_config_single_user/pos.py b/pos_config_single_user/pos.py
index 173e618..deedd0f 100644
--- a/pos_config_single_user/pos.py
+++ b/pos_config_single_user/pos.py
@@ -1,9 +1,9 @@
-# -*- coding: utf-8 -*-
-# © 2014-2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+# Copyright 2014-2020 Akretion France (http://www.akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import models, fields, api, _
-from openerp.exceptions import UserError
+from odoo import fields, models, _
+from odoo.exceptions import UserError
 
 
 class PosConfig(models.Model):
@@ -14,14 +14,13 @@ class PosConfig(models.Model):
         help="If you select a user, only this user will be allowed to start "
         "sessions for this POS", ondelete='restrict')
 
-    @api.multi
-    def open_session_cb(self):
+    def open_session_cb(self, check_coa=True):
         self.ensure_one()
         if (
                 self.allowed_user_id and
                 self.allowed_user_id != self.env.user):
             raise UserError(_(
                 "The POS '%s' can be used only by user '%s'.") % (
-                    self.name,
-                    self.allowed_user_id.name))
-        return super(PosConfig, self).open_session_cb()
+                    self.display_name,
+                    self.allowed_user_id.display_name))
+        return super().open_session_cb(check_coa=check_coa)
diff --git a/pos_config_single_user/pos_view.xml b/pos_config_single_user/pos_view.xml
index 3cd2c43..7628c61 100644
--- a/pos_config_single_user/pos_view.xml
+++ b/pos_config_single_user/pos_view.xml
@@ -1,20 +1,31 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-  © 2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+  Copyright 2016-2020 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
   License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 -->
 
 <odoo>
 
 
-<record id="view_pos_config_form" model="ir.ui.view">
+<record id="pos_config_view_form" model="ir.ui.view">
     <field name="name">pos_config_single_user.pos.config</field>
     <field name="model">pos.config</field>
-    <field name="inherit_id" ref="point_of_sale.view_pos_config_form"/>
+    <field name="inherit_id" ref="point_of_sale.pos_config_view_form"/>
     <field name="arch"  type="xml">
-        <field name="sequence_id" position="after">
-            <field name="allowed_user_id"/>
-        </field>
+        <xpath expr="//field[@name='start_category']/../.." position="after">
+            <div class="col-12 col-lg-6 o_setting_box" id="allowed_user">
+                <div class="o_setting_right_pane">
+                    <label for="allowed_user_id"/>
+                    <div class="text-muted">
+                        If set, only this user will be able to start a session
+                     </div>
+                    <div class="content-group mt16">
+                        <field name="allowed_user_id" options="{'no_create': True}"/>
+                    </div>
+                </div>
+            </div>
+        </xpath>
     </field>
 </record>