diff --git a/static/js/components/app-main/index.js b/static/js/components/app-main/index.js
index 8838def..15a56a6 100644
--- a/static/js/components/app-main/index.js
+++ b/static/js/components/app-main/index.js
@@ -66,7 +66,7 @@ function createXTerm(name, xtermNode){
       fgColor: 'inherit',
       bgColor: 'transparent',
       onscreen: function (screen){
-        if (Terminal.focus === this) {
+        if (this.isFocused()) {
           clearTimeout(timer);
 
           timer = setTimeout(function (){
diff --git a/static/js/terminal/lib/focused.js b/static/js/terminal/lib/focused.js
index 0e0ed25..f8abcf4 100644
--- a/static/js/terminal/lib/focused.js
+++ b/static/js/terminal/lib/focused.js
@@ -7,6 +7,14 @@
 module.exports = function (Terminal){
   Terminal.focus = null;
 
+  /**
+   * isFocused
+   * @returns {boolean}
+   */
+  Terminal.prototype.isFocused = function (){
+    return Terminal.focus === this;
+  };
+
   /**
    * focus
    */