diff --git a/addons/im_livechat/models/discuss_channel.py b/addons/im_livechat/models/discuss_channel.py
index e7c789728ec..31e7c6d6584 100644
--- a/addons/im_livechat/models/discuss_channel.py
+++ b/addons/im_livechat/models/discuss_channel.py
@@ -85,7 +85,7 @@ class DiscussChannel(models.Model):
         return msg
 
     def execute_command_history(self, **kwargs):
-        self.env['bus.bus']._sendone(self.uuid, 'im_livechat.history_command', {'id': self.id})
+        self.env['bus.bus']._sendone(self, 'im_livechat.history_command', {'id': self.id})
 
     def _send_history_message(self, pid, page_history):
         message_body = _('No history found')