diff --git a/dist/index.html b/dist/index.html
index 8eb520d..e41741a 100644
--- a/dist/index.html
+++ b/dist/index.html
@@ -85,8 +85,8 @@
 
           document.addEventListener("mousemove", onmousemove);
 
-          room.onLeave(function() {
-              console.log("LEFT ROOM", arguments);
+          room.onLeave(function(code, reason) {
+              console.log("LEFT ROOM",{code, reason});
               document.removeEventListener("mousemove", onmousemove);
           });
 
diff --git a/package.json b/package.json
index f72a39c..44a0d7d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "colyseus.js",
-  "version": "0.16.3",
+  "version": "0.16.4",
   "description": "Colyseus Multiplayer SDK for JavaScript/TypeScript",
   "author": "Endel Dreyer",
   "license": "MIT",
diff --git a/src/Room.ts b/src/Room.ts
index 9148b31..a3814b4 100644
--- a/src/Room.ts
+++ b/src/Room.ts
@@ -32,7 +32,7 @@ export class Room<State= any> {
     // Public signals
     public onStateChange = createSignal<(state: State) => void>();
     public onError = createSignal<(code: number, message?: string) => void>();
-    public onLeave = createSignal<(code: number) => void>();
+    public onLeave = createSignal<(code: number, reason?: string) => void>();
     protected onJoin = createSignal();
 
     public serializerId: string;
@@ -85,7 +85,7 @@ export class Room<State= any> {
             if (e.code === CloseCode.DEVMODE_RESTART && devModeCloseCallback) {
                 devModeCloseCallback();
             } else {
-                room.onLeave.invoke(e.code);
+                room.onLeave.invoke(e.code, e.reason);
                 room.destroy();
             }
         };