diff --git a/bemade_time_off_follower/models/mail_thread.py b/bemade_time_off_follower/models/mail_thread.py
index d1f5fe0..8186da4 100644
--- a/bemade_time_off_follower/models/mail_thread.py
+++ b/bemade_time_off_follower/models/mail_thread.py
@@ -3,15 +3,15 @@ import logging
 
 _logger = logging.getLogger(__name__)
 
+
 class MailThread(models.AbstractModel):
     _inherit = 'mail.thread'
 
-    @api.returns('mail.message', lambda value: value.id)
-    def message_post(self, **kwargs):
-        message = super(MailThread, self).message_post(**kwargs)
+    def _notify_compute_recipients(self, message, msg_vals):
+        recipients = super(MailThread, self)._notify_compute_recipients(message, msg_vals)
 
-        for recipient in message.notification_ids.mapped('res_partner_id'):
-            user = self.env['res.users'].search([('partner_id', '=', recipient.id)], limit=1)
+        for recipient in recipients:
+            user = self.env['res.users'].search([('partner_id', '=', recipient['id'])], limit=1)
             if user:
                 employee = self.env['hr.employee'].search([('user_id', '=', user.id)], limit=1)
 
@@ -24,11 +24,16 @@ class MailThread(models.AbstractModel):
                     ('date_to', '>=', fields.Date.today()),
                 ])
                 for leave in leaves:
-                    if leave.employee_id.user_id.partner_id.id == recipient.id and leave.alternate_follower_id:
-                        _logger.info(f"adding {leave.alternate_follower_id.partner_id.name} as follower for {recipient.name} while on time off.")
-                        message.write({
-                            'notification_ids': [(0, 0, {
-                                'res_partner_id': leave.alternate_follower_id.partner_id.id,
-                            })]
+                    if leave.employee_id.user_id.partner_id.id == recipient['id'] and leave.alternate_follower_id:
+                        _logger.info(
+                            f"adding {leave.alternate_follower_id.partner_id.name} as follower for {employee.name} while on time off.")
+                        recipients.append({
+                            'id': leave.alternate_follower_id.partner_id.id,
+                            'active': True,
+                            'share': False,
+                            'groups': leave.alternate_follower_id.groups_id.ids,
+                            'notif': 'inbox',
+                            'type': 'user'
                         })
-        return message
+
+        return recipients