diff --git a/public_html/js/class.js b/public_html/js/class.js
index 67d5642..d3cfb6e 100644
--- a/public_html/js/class.js
+++ b/public_html/js/class.js
@@ -8,11 +8,12 @@ const defaulthealth=10;
 
 class Player
 {
-    constructor (id,x,y,name,dir)
+    constructor (id,x,y,z,name,dir)
     {
         this.name=name;
         this.x=x;
         this.y=y;
+        this.z=z;
         //this.z=z;//correspond to the map. Ex: 0=>main; 1=>arena
         this.id=id;
         this.visibleDir=1;