diff --git a/chatbuf.proto b/chatbuf.proto
index 2b7d2ac..351afd0 100644
--- a/chatbuf.proto
+++ b/chatbuf.proto
@@ -6,7 +6,8 @@
   enum ChatMessageType {
     CHAT = 0;
     HELLO = 1;
-    OTHER = 2;
+    LEAVE = 2;
+    OTHER = 3;
   }
   required ChatMessageType type = 3 [default = CHAT];
   optional string data = 4;