diff --git a/mmpy_bot/mattermost.py b/mmpy_bot/mattermost.py
index e074f0ff..7020bc4d 100644
--- a/mmpy_bot/mattermost.py
+++ b/mmpy_bot/mattermost.py
@@ -190,9 +190,8 @@ def put(self, request, data):
     def update_post(self, message_id, user_id, channel_id,
                     message, files=None, pid=""):
         return self.put(
-            '/posts/%s' % message_id,
+            '/posts/%s/patch' % message_id,
             {
-                'id': message_id,
                 'message': message,
             })