diff --git a/app/chain/message.py b/app/chain/message.py
index 949519f8..96de64f6 100644
--- a/app/chain/message.py
+++ b/app/chain/message.py
@@ -329,7 +329,7 @@ class MessageChain(ChainBase):
                     EventType.UserMessage,
                     {
                         "text": content,
-                        "user": userid,
+                        "userid": userid,
                         "channel": channel
                     }
                 )