diff --git a/ui/src/App.js b/ui/src/App.js
index 6d185334..30df35e0 100644
--- a/ui/src/App.js
+++ b/ui/src/App.js
@@ -142,6 +142,8 @@ const Admin = (props) => {
 }
 
 const AppWithHotkeys = () => {
+  let language = localStorage.getItem('locale') || 'en'
+  document.documentElement.lang = language
   if (config.enableSharing && shareInfo) {
     return <SharePlayer />
   }
diff --git a/ui/src/personal/SelectLanguage.js b/ui/src/personal/SelectLanguage.js
index 700d902e..49b879fa 100644
--- a/ui/src/personal/SelectLanguage.js
+++ b/ui/src/personal/SelectLanguage.js
@@ -31,6 +31,7 @@ export const SelectLanguage = (props) => {
         }
         setLocale(event.target.value).then(() => {
           localStorage.setItem('locale', event.target.value)
+          document.documentElement.lang = event.target.value
         })
       }}
     />