diff --git a/js/boxes.js b/js/boxes.js
index 84d252a..a860331 100644
--- a/js/boxes.js
+++ b/js/boxes.js
@@ -57,6 +57,9 @@ document.querySelector("#auto-boxes").addEventListener("change",(e)=>{
         timer = setInterval(()=>{
             var id = Math.round(Math.random() * 1000)
             const value = document.querySelector('#box-'+id).checked ? "-" : "+";
+            if (socket.readyState !== socket.OPEN) {
+                socket = new WebSocket(socketUrl);
+              }
             socket.send("u:" + id + ":" + value);
         },500)
     }else{