diff --git a/app/assets/javascripts/player.coffee b/app/assets/javascripts/player.coffee
index 33120fc..5673929 100644
--- a/app/assets/javascripts/player.coffee
+++ b/app/assets/javascripts/player.coffee
@@ -88,7 +88,7 @@ class window.Player
         len = parseInt(audio.duration, 10)
         m = Math.floor(len / 60)
         s = len - Math.floor(len / 60) * 60
-        duration = m+':'+(s < 10 ? '0' : '')+s
+        duration = m + ':' + (if s < 10 then '0' else '') + s
         _session.query '/track/update_length', { track_id: track.id, length: len }, (r) ->
           if r.result is 'success'
             $('.playlist li[data-id="'+track.id+'"] .song-duration').text(duration)