diff --git a/web/app/views/users/_feed_music_session_ajax.html.haml b/web/app/views/users/_feed_music_session_ajax.html.haml
index bbdbb514c..31d0241d7 100644
--- a/web/app/views/users/_feed_music_session_ajax.html.haml
+++ b/web/app/views/users/_feed_music_session_ajax.html.haml
@@ -22,7 +22,7 @@
           = image_tag 'content/icon_playbutton.png', width:20, height:20, class:'play-icon'
           = "{% if(data.feed_item['has_mount?']) { %}"
           %audio{preload: 'none'}
-            %source{src: '{{data.feed_item.music_session.mount.url}}',  type: '{{data.feed_item.music_session.mime_type}}'}
+            %source{src: '{{data.feed_item.music_session.mount.url}}',  type: '{{data.feed_item.music_session.mount.mime_type}}'}
           = '{% } %}'
         %span.session-status
           = '{{data.feed_item.helpers.status}}'