diff --git a/addons/hr_attendance/i18n/hr_attendance.pot b/addons/hr_attendance/i18n/hr_attendance.pot
index 5760f9a2e42..11dccff52c5 100644
--- a/addons/hr_attendance/i18n/hr_attendance.pot
+++ b/addons/hr_attendance/i18n/hr_attendance.pot
@@ -654,6 +654,12 @@ msgstr ""
 msgid "Sign out"
 msgstr ""
 
+#. module: hr_attendance
+#: code:addons/hr_attendance/models/hr_employee.py:155
+#, python-format
+msgid "Such grouping is not allowed."
+msgstr ""
+
 #. module: hr_attendance
 #: model_terms:ir.actions.act_window,help:hr_attendance.hr_attendance_action
 #: model_terms:ir.actions.act_window,help:hr_attendance.hr_attendance_action_employee
diff --git a/addons/hr_attendance/models/hr_employee.py b/addons/hr_attendance/models/hr_employee.py
index f52b2acb11e..e3f61c64046 100644
--- a/addons/hr_attendance/models/hr_employee.py
+++ b/addons/hr_attendance/models/hr_employee.py
@@ -141,3 +141,9 @@ class HrEmployeeBase(models.AbstractModel):
             raise exceptions.UserError(_('Cannot perform check out on %(empl_name)s, could not find corresponding check in. '
                 'Your attendances have probably been modified manually by human resources.') % {'empl_name': self.sudo().name, })
         return attendance
+
+    @api.model
+    def read_group(self, domain, fields, groupby, offset=0, limit=None, orderby=False, lazy=True):
+        if 'pin' in groupby or 'pin' in self.env.context.get('group_by', '') or self.env.context.get('no_group_by'):
+            raise exceptions.UserError(_('Such grouping is not allowed.'))
+        return super(HrEmployeeBase, self).read_group(domain, fields, groupby, offset=offset, limit=limit, orderby=orderby, lazy=lazy)
diff --git a/addons/hr_attendance/static/src/js/kiosk_mode.js b/addons/hr_attendance/static/src/js/kiosk_mode.js
index 5370874a1b9..6ce0c0260a5 100644
--- a/addons/hr_attendance/static/src/js/kiosk_mode.js
+++ b/addons/hr_attendance/static/src/js/kiosk_mode.js
@@ -11,7 +11,11 @@ var QWeb = core.qweb;
 
 var KioskMode = AbstractAction.extend({
     events: {
-        "click .o_hr_attendance_button_employees": function(){ this.do_action('hr_attendance.hr_employee_attendance_action_kanban'); },
+        "click .o_hr_attendance_button_employees": function() {
+            this.do_action('hr_attendance.hr_employee_attendance_action_kanban', {
+                additional_context: {'no_group_by': true},
+            });
+        },
     },
 
     start: function () {