diff --git a/app/js/app.js b/app/js/app.js
index 9839dd2..5c5bf9c 100644
--- a/app/js/app.js
+++ b/app/js/app.js
@@ -2494,7 +2494,7 @@ const cmd 		= require('./lib/ui/cmd.js');
 const log 		= require('./lib/ui/log.js');
 const devices 	= require('./lib/ui/devices.js');
 const mse 		= require('./lib/ui/mscript.js');
-const mscript 	= require('./lib/mscript');
+const Mscript 	= require('./lib/mscript');
 
 
 
diff --git a/app/lib/ui/mscript.js b/app/lib/ui/mscript.js
index 8afdad2..63e93b7 100644
--- a/app/lib/ui/mscript.js
+++ b/app/lib/ui/mscript.js
@@ -100,6 +100,7 @@ mse.mscript.toSequence = function () {
 mse.mscript.compile = function (cb) {
 	'use strict';
 	const data = mse.mscript.editor.getValue();
+	let mscript = new Mscript();
 	let output;
 	mse.mscript.raw = data;
 	mscript.interpret(data, (output) => {
diff --git a/app/src/index.js b/app/src/index.js
index e92ab1b..0244630 100644
--- a/app/src/index.js
+++ b/app/src/index.js
@@ -20,7 +20,7 @@ const cmd 		= require('./lib/ui/cmd.js');
 const log 		= require('./lib/ui/log.js');
 const devices 	= require('./lib/ui/devices.js');
 const mse 		= require('./lib/ui/mscript.js');
-const mscript 	= require('./lib/mscript');
+const Mscript 	= require('./lib/mscript');