diff --git a/web/js-ts/serialv2.js b/web/js-ts/serialv2.js
index f312896..640f0ea 100644
--- a/web/js-ts/serialv2.js
+++ b/web/js-ts/serialv2.js
@@ -103,6 +103,10 @@ async function readLoop() {
 async function disconnect() {
     await reader.cancel();
     await port.close();
+    document.getElementById("temp").innerHTML = "ESP niet connected";
+    document.getElementById("humid").innerHTML = "ESP niet connected";
+    document.getElementById("licht").innerHTML = "ESP niet connected";
+    document.getElementById("Advies").innerHTML = "ESP niet connected";  
     console.log("Port is closed!");
 }
 //plotly grafiek