diff --git a/static/js/theme.js b/static/js/theme.js
index 2830f0328f..4609de8ae2 100644
--- a/static/js/theme.js
+++ b/static/js/theme.js
@@ -13,6 +13,7 @@ else{
var isPrint = document.querySelector( 'body' ).classList.contains( 'print' );
var isRtl = document.querySelector( 'html' ).getAttribute( 'dir' ) == 'rtl';
+var lang = document.querySelector( 'html' ).getAttribute( 'lang' );
var dir_padding_start = 'padding-left';
var dir_padding_end = 'padding-right';
var dir_key_start = 37;
@@ -341,7 +342,7 @@ function initOpenapi( update, attrs ){
oi.classList.toggle('sc-openapi-iframe', true);
oi.srcdoc =
'' +
- '' +
+ '' +
'' +
'' +
'' +