diff --git a/index.html b/index.html
index 15440de..b5972a1 100644
--- a/index.html
+++ b/index.html
@@ -323,7 +323,7 @@ <h2>
 
         reactInput(window.location.hash.substr(1));
 
-        i18next.init({
+        i18next.use(i18nextBrowserLanguageDetector).init({
             fallbackLng: 'en',
             resources: Object.entries(window.i18n).reduce(function (coll, [key, translation]) {
                 return Object.assign(coll, {