diff --git a/src/js/easymde.js b/src/js/easymde.js
index 2ddf617..7dc36d8 100644
--- a/src/js/easymde.js
+++ b/src/js/easymde.js
@@ -1,5 +1,5 @@
 'use strict';
-var CodeMirror = require('codemirror');
+var CodeMirror = window.CodeMirror || require('codemirror');
 require('codemirror/addon/edit/continuelist.js');
 require('./codemirror/tablist');
 require('codemirror/addon/display/fullscreen.js');