diff --git a/addons/mail_bot/models/mail_bot.py b/addons/mail_bot/models/mail_bot.py
index 0d311922cc1..6c340193809 100644
--- a/addons/mail_bot/models/mail_bot.py
+++ b/addons/mail_bot/models/mail_bot.py
@@ -29,7 +29,7 @@ class MailBot(models.AbstractModel):
             if answer:
                 message_type = values.get('message_type', 'comment')
                 subtype_id = values.get('subtype_id', self.env['ir.model.data'].xmlid_to_res_id('mail.mt_comment'))
-                record.with_context({"mail_create_nosubscribe": True}).message_post(body=answer, author_id=odoobot_id, message_type=message_type, subtype_id=subtype_id)
+                record.with_context({"mail_create_nosubscribe": True}).sudo().message_post(body=answer, author_id=odoobot_id, message_type=message_type, subtype_id=subtype_id)
 
     def _get_answer(self, record, body, values, command=False):
         # onboarding
diff --git a/addons/mail_bot/models/mail_channel.py b/addons/mail_bot/models/mail_channel.py
index 80e55fbacae..ded27db6f5e 100644
--- a/addons/mail_bot/models/mail_channel.py
+++ b/addons/mail_bot/models/mail_channel.py
@@ -36,6 +36,6 @@ class Channel(models.Model):
                 'name': 'OdooBot'
             })
             message = _("Hello,<br/>Odoo's chat helps employees collaborate efficiently. I'm here to help you discover its features.<br/><b>Try to send me an emoji :)</b>")
-            channel.message_post(body=message, author_id=odoobot_id, message_type="comment", subtype="mail.mt_comment")
+            channel.sudo().message_post(body=message, author_id=odoobot_id, message_type="comment", subtype="mail.mt_comment")
             self.env.user.odoobot_state = 'onboarding_emoji'
             return channel