diff --git a/assets/js/player.js b/assets/js/player.js
index c87ae4fa7..5a7fa26cf 100644
--- a/assets/js/player.js
+++ b/assets/js/player.js
@@ -6,6 +6,7 @@ var options = {
     preload: 'auto',
     liveui: true,
     playbackRates: [0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2.0],
+    enableSourceset: false,
     controlBar: {
         children: [
             'playToggle',