diff -r 256272c33349 -r e4204b1a579a cms/app-client/app/components/transcript-component.js
--- a/cms/app-client/app/components/transcript-component.js	Fri Jul 22 18:25:02 2016 +0200
+++ b/cms/app-client/app/components/transcript-component.js	Wed Aug 03 22:47:49 2016 +0200
@@ -26,7 +26,7 @@
     actions: {
 
         play: function(progress) {
-            this.get('player').set('progress', progress);
+            this.get('player').trigger('progressupdate', progress);
             this.get('player').set('playing', true);
         }