diff --git a/scratch-arduino-extensions/packages/scratch-vm/src/extensions/arduino_basics/index.js b/scratch-arduino-extensions/packages/scratch-vm/src/extensions/arduino_basics/index.js
index 5993281..d6431a5 100644
--- a/scratch-arduino-extensions/packages/scratch-vm/src/extensions/arduino_basics/index.js
+++ b/scratch-arduino-extensions/packages/scratch-vm/src/extensions/arduino_basics/index.js
@@ -19,9 +19,8 @@ const iconURI = "";
 // eslint-disable-next-line max-len
 const menuIconURI = "";
 
-// const wsServerURL = `${window.location.protocol}//${window.location.hostname}:7000`;
+const wsServerURL = `${window.location.protocol}//${window.location.hostname}:7000`;
 
-const wsServerURL = `ws://192.168.1.39:7000`;
 class ArduinoBasics {
   constructor(runtime) {
     this.runtime = runtime;