diff --git a/src/webextension/data/inject/youtube.js b/src/webextension/data/inject/youtube.js
index cd06e56..4dcef63 100644
--- a/src/webextension/data/inject/youtube.js
+++ b/src/webextension/data/inject/youtube.js
@@ -243,7 +243,7 @@ youtube.findOtherItags = (info, ccode) => {
     dashmpd = dashmpd.replace('/s/' + matchSig + '/','/signature/' + youtube.decipher(ccode, matchSig, ccode) + '/');
   }
   if (dashmpd) {
-    youtube.fetch(dashmpd).then(function (response) {
+    return youtube.fetch(dashmpd).then(function (response) {
       function doTag (itag) {
         let regexp = new RegExp('\<baseurl[^\>]*\>(http[^<]+itag[\=\/]' + itag + '[^\<]+)\<\/baseurl\>', 'i');
         let res = regexp.exec(response);