diff -r ce27200b338e -r 0e1105a35754 integration/js/mashupcore.js
--- a/integration/js/mashupcore.js	Thu Dec 06 16:54:20 2012 +0100
+++ b/integration/js/mashupcore.js	Thu Dec 06 17:07:37 2012 +0100
@@ -314,7 +314,7 @@
             mp4_file = videourl.replace(/\.webm$/i,'.mp4'),
             webm_file = videourl.replace(/\.mp4$/i,'.webm'),
 */
-            mp4_src = $('<source>'),
+            mp4_src = $('<source>');
 /*
             webm_src = $('<source>'),
 */