diff --git a/audiojs/audio.js b/audiojs/audio.js
index 51f7d2a..c6240c1 100644
--- a/audiojs/audio.js
+++ b/audiojs/audio.js
@@ -286,7 +286,6 @@
       var wrapper = document.createElement('div'),
           newElement = element.cloneNode(true);
       wrapper.setAttribute('class', 'audiojs');
-      wrapper.setAttribute('className', 'audiojs');
       wrapper.setAttribute('id', id);
 
       // Fix IE's broken implementation of `innerHTML` & `cloneNode` for HTML5 elements.