diff --git a/12/player.js b/12/player.js
index f2887cc..fc5d796 100644
--- a/12/player.js
+++ b/12/player.js
@@ -6,7 +6,7 @@ track.addEventListener('cuechange', function () {
   var d = JSON.parse(cues[0].text);
   console.log("d",d);
   track_div.innerHTML = d.title;
-  var playing = document.getElementById("d.title");
+  var playing = document.getElementById(d.title);
   playing.classList.add("now_playing");
   console.log("playing",playing);
 });