diff --git a/_config.yml b/_config.yml
index 63a2f1e..c65edb7 100644
--- a/_config.yml
+++ b/_config.yml
@@ -7,7 +7,7 @@ title: Keycard
 description: Keycard is a new type of smartcard built with an open API for simple integration with crypto wallets and hardware. Designed to safely send, store, and receive cryptocurrencies in a seamless contactless experience.
 author: Status Research & Development GmbH
 
-language: [en]
+language: [en, de]
 locale: en
 i18n:
   type: [page, post]
diff --git a/themes/keycard/layout/partial/header.ejs b/themes/keycard/layout/partial/header.ejs
index ab9e5ab..11c0060 100644
--- a/themes/keycard/layout/partial/header.ejs
+++ b/themes/keycard/layout/partial/header.ejs
@@ -28,7 +28,7 @@
                 class="js-anchor-scroll o-navigation__item">
                 <%- __('header.menu.keycard.title') %>
               </a>
-              <a href="<%- show_lang() %><%- url_for('about-us') %>" title="<%- __('header.menu.about.title') %>"
+              <a href="<%- show_lang() %><%- url_for_lang('about-us') %>" title="<%- __('header.menu.about.title') %>"
                 class="o-navigation__item">
                 <%- __('header.menu.about.title') %>
               </a>