     @mediaView?.duration() or @model.duration() or 0
 
 
-  onProgressBarChange: (progress) =>
+  onProgressBarChange: (progressPercent) =>
+    progress = (progressPercent * @mediaView.duration() / 100)
     @mediaView.seek progress

      extraClasses: ['progress-bar-view']
      eventhub: @eventhub
      value: 0
      max: @mediaView.duration()

    @progressBarView.on 'ValueSliderView:ValueDidChange', @onProgressBarChange



    @listenTo @mediaView, 'Media:Progress', (view, elapsed, total) =>
      # keep progress bar in sync
      percent = (elapsed / total * 100)
      @progressBarView.value percent, {silent: true}

  initializeProgressBar: =>
    @progressBarView = new acorn.player.ValueSliderView
