diff --git a/www/Media.js b/www/Media.js
index 133fc02d..711dfb12 100644
--- a/www/Media.js
+++ b/www/Media.js
@@ -42,7 +42,7 @@ var mediaObjects = {};
  * @param createdCallback       The callback to be called after creation.
  */
 var Media = function (src, successCallback, errorCallback, statusCallback, createdCallback) {
-    argscheck.checkArgs('sFFF', 'Media', arguments);
+    argscheck.checkArgs('sFFFF', 'Media', arguments);
     this.id = utils.createUUID();
     mediaObjects[this.id] = this;
     this.src = src;
@@ -99,13 +99,14 @@ Media.prototype.stop = function () {
 /**
  * Seek or jump to a new time in the track..
  */
-Media.prototype.seekTo = function (milliseconds) {
+Media.prototype.seekTo = function (milliseconds, onDone, onError) {
     var me = this;
     exec(
         function (p) {
             me._position = p;
+            onDone(p)
         },
-        this.errorCallback,
+        onError,
         'Media',
         'seekToAudio',
         [this.id, milliseconds]