diff --git a/src/js/serial_backend.js b/src/js/serial_backend.js
index 464fb3da..a60ab52d 100644
--- a/src/js/serial_backend.js
+++ b/src/js/serial_backend.js
@@ -4,6 +4,8 @@ var mspHelper;
 var connectionTimestamp;
 
 function initializeSerialBackend() {
+    mspHelper = new MspHelper();
+    mspHelper.process_data.bind(mspHelper);
 
     GUI.updateManualPortVisibility = function(){
         var selected_port = $('div#port-picker #port option:selected');