diff -r 729a6ee4ea1c -r f1b68efb360a integration/js/mashupplayer.js
--- a/integration/js/mashupplayer.js	Thu Dec 06 17:07:49 2012 +0100
+++ b/integration/js/mashupplayer.js	Thu Jan 17 17:20:23 2013 +0100
@@ -63,8 +63,10 @@
         
         project.on("mouseout-annotation", function(annotation) {
             $(".media").removeClass("active");
-            var mediaid = mashup.currentMedia.id;
-            $(".media[data-media-id='" + mediaid + "']").addClass("active");
+            if (mashup.currentMedia) {
+                var mediaid = mashup.currentMedia.id;
+                $(".media[data-media-id='" + mediaid + "']").addClass("active");
+            }
         });
         
         $(".list-video")