diff --git a/addons/mail/models/mail_channel.py b/addons/mail/models/mail_channel.py
index dc67bb84d10..bc923c99cd2 100644
--- a/addons/mail/models/mail_channel.py
+++ b/addons/mail/models/mail_channel.py
@@ -89,6 +89,7 @@ class Channel(models.Model):
         required=True, default='groups',
         help='This group is visible by non members. Invisible groups can add members through the invite button.')
     group_public_id = fields.Many2one('res.groups', string='Authorized Group', compute='_compute_group_public_id', readonly=False, store=True)
+    invitation_url = fields.Char('Invitation URL', compute='_compute_invitation_url')
 
     _sql_constraints = [
         ('channel_type_not_null', 'CHECK(channel_type IS NOT NULL)', 'The channel type cannot be empty'),
@@ -183,6 +184,11 @@ class Channel(models.Model):
         channels.filtered(lambda channel: not channel.group_public_id).group_public_id = self.env.ref('base.group_user')
         (self - channels).group_public_id = None
 
+    @api.depends('uuid')
+    def _compute_invitation_url(self):
+        for channel in self:
+            channel.invitation_url = f"/chat/{channel.id}/{channel.uuid}"
+
     # ONCHANGE
 
     @api.onchange('public')
diff --git a/addons/mail/tests/test_mail_channel_as_guest.py b/addons/mail/tests/test_mail_channel_as_guest.py
index 6315a6d94f1..554e70a998b 100644
--- a/addons/mail/tests/test_mail_channel_as_guest.py
+++ b/addons/mail/tests/test_mail_channel_as_guest.py
@@ -13,4 +13,4 @@ class TestMailGuestPages(HttpCase):
             'name': 'Test channel',
             'public': 'public',
         })
-        self.start_tour(f"/chat/{channel.id}/{channel.uuid}", "mail/static/tests/tours/mail_channel_as_guest_tour.js")
+        self.start_tour(channel.invitation_url, "mail/static/tests/tours/mail_channel_as_guest_tour.js")