diff --git a/components/site/test_site/templates/index.html b/components/site/test_site/templates/index.html
index bd9bca00..1e741a71 100644
--- a/components/site/test_site/templates/index.html
+++ b/components/site/test_site/templates/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="{{ config.language_code }}">
+<html lang="en">
     <head>
       <meta charset="UTF-8">
       <meta name="apple-mobile-web-app-capable" content="yes">
diff --git a/components/site/test_site/templates/index_paginated.html b/components/site/test_site/templates/index_paginated.html
index 02aadcd8..096aaf52 100644
--- a/components/site/test_site/templates/index_paginated.html
+++ b/components/site/test_site/templates/index_paginated.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="{{ config.language_code }}">
+<html lang="en">
     <head>
       <meta charset="UTF-8">
       <meta name="apple-mobile-web-app-capable" content="yes">
diff --git a/components/templates/src/builtins/rss.xml b/components/templates/src/builtins/rss.xml
index ace8dbf5..35b7fbcd 100644
--- a/components/templates/src/builtins/rss.xml
+++ b/components/templates/src/builtins/rss.xml
@@ -4,7 +4,7 @@
         <link>{{ config.base_url }}</link>
         <description>{{ config.description }}</description>
         <generator>Gutenberg</generator>
-        <language>{{ config.language_code }}</language>
+        <language>{{ config.default_language }}</language>
         <atom:link href="{{ feed_url }}" rel="self" type="application/rss+xml"/>
         <lastBuildDate>{{ last_build_date | date(format="%a, %d %b %Y %H:%M:%S %z") }}</lastBuildDate>
         {% for page in pages %}
