diff --git a/src/youtube.ts b/src/youtube.ts
index 3f17f0e..759dc1d 100644
--- a/src/youtube.ts
+++ b/src/youtube.ts
@@ -22,7 +22,7 @@ import { MessageKind, RedirectType } from './types';
 import Preferences from './preferences'
 
 const thumbnailURL = (host, path) => `https://${host}${path}`;
-const isYouTube = document.location.hostname === 'www.youtube.com';
+const isYouTube = document.location.hostname.indexOf('youtube.com') >= 0;
 const LINK_ID = 'peertube-link';
 
 function searchVideo(query) {