diff --git a/src/sound/html5/HTML5AudioSoundManager.js b/src/sound/html5/HTML5AudioSoundManager.js
index 2ae377de2..7a06af5c8 100644
--- a/src/sound/html5/HTML5AudioSoundManager.js
+++ b/src/sound/html5/HTML5AudioSoundManager.js
@@ -154,6 +154,13 @@ var HTML5AudioSoundManager = new Class({
      */
     unlock: function ()
     {
+        this.locked = 'ontouchstart' in window;
+
+        if(!this.locked)
+        {
+            return;
+        }
+
         var _this = this;
 
         var moved = false;