wait #7949 @1

diff --git a/js/libs/fluidbook/fluidbook.video.js b/js/libs/fluidbook/fluidbook.video.js
index 531a62c5db7ef2752a879825955ce4c663d84f16..2dfcd252c2743dd04b7e75594f06b17293711f88 100644 (file)
--- a/js/libs/fluidbook/fluidbook.video.js
+++ b/js/libs/fluidbook/fluidbook.video.js
@@ -272,6 +272,9 @@ FluidbookVideo.prototype = {
         }
 
         function addAudioTracks() {
+            if (tracks.length === 0) {
+                return;
+            }
             var audioTrackHtml = '<div class="audioTrackContainer">';
 
             for (var k = 0; k < tracks.length; k++) {