@ -27,7 +27,7 @@ define(['jquery', 'underscore', 'webrtc.adapter'], function($, _, adapter) {
var MediaSources = function() {
// For now enable media sources only in Chrome until other browsers have some use for it.
this.supported = $window.navigator.mediaDevices.enumerateDevices && adapter.webrtcDetectedBrowser === "chrome";
this.supported = $window.navigator.mediaDevices && $window.navigator.mediaDevices.enumerateDevices && adapter.webrtcDetectedBrowser === "chrome";
this.audio = [];
this.video = [];