diff --git a/disco/gateway/events.py b/disco/gateway/events.py
index 3f90ea8..dd38ae7 100644
--- a/disco/gateway/events.py
+++ b/disco/gateway/events.py
@@ -615,7 +615,7 @@ class MessageReactionAdd(GatewayEvent):
             self.channel_id,
             self.message_id,
             self.emoji,
-            self.uesr_id
+            self.user_id
         )
 
     @property