diff -r 2aa7fdb0762a -r ee11ed1b739e src/widgets/AnnotationsList.js
--- a/src/widgets/AnnotationsList.js	Mon Sep 17 22:44:59 2012 +0900
+++ b/src/widgets/AnnotationsList.js	Tue Sep 18 15:39:28 2012 +0900
@@ -6,7 +6,6 @@
     this.throttledRefresh = IriSP._.throttle(function() {
         _this.refresh(false);
     }, 1500);
-    this.mashupMode = (this.source.currentMedia.elementType === "mashup");
 };
 
 IriSP.Widgets.AnnotationsList.prototype = new IriSP.Widgets.Widget();
@@ -263,6 +262,8 @@
 
 IriSP.Widgets.AnnotationsList.prototype.draw = function() {
     
+    this.mashupMode = (this.media.elementType === "mashup");
+    
     this.renderTemplate();
     
     this.list_$ = this.$.find(".Ldt-AnnotationsList-ul");