diff --git a/assets/js/player.js b/assets/js/player.js
index c2a5f42e2..0416e2b0d 100644
--- a/assets/js/player.js
+++ b/assets/js/player.js
@@ -148,7 +148,7 @@ function isMobile() {
 if (isMobile()) {
     player.mobileUi();
 
-    var buttons = ['playToggle', 'volumePanel', 'captionsButton'];
+    var buttons = ['playToggle', 'volumePanel', 'captionsButton', 'audioTrackButton'];
 
     if (video_data.params.quality !== 'dash') buttons.push('qualitySelector');