diff -r ec6849bbbdcc -r eb8677d3a663 src/widgets/Controller.js
--- a/src/widgets/Controller.js	Tue Jun 12 19:44:20 2012 +0200
+++ b/src/widgets/Controller.js	Wed Jun 20 14:45:30 2012 +0200
@@ -196,7 +196,7 @@
 };
 
 IriSP.Widgets.Controller.prototype.muteHandler = function() {
-    this.player.popcorn.mute(!this.player.popcorn.muted());
+    this.player.popcorn.muted(!this.player.popcorn.muted());
 };
 
 IriSP.Widgets.Controller.prototype.volumeUpdater = function() {