diff --git a/app/views/posts/index.haml b/app/views/posts/index.haml
index 87ff4d93..a82616d8 100644
--- a/app/views/posts/index.haml
+++ b/app/views/posts/index.haml
@@ -89,7 +89,7 @@
 
                   %div
           %tbody
-            - dir = t("locales.#{@locale}.dir")
+            - dir = @site.data.dig(params[:locale], 'dir')
             - size = @posts.size
             - @posts.each_with_index do |post, i|
               -#
diff --git a/app/views/posts/show.haml b/app/views/posts/show.haml
index 64daee41..9ef91888 100644
--- a/app/views/posts/show.haml
+++ b/app/views/posts/show.haml
@@ -1,4 +1,4 @@
-- dir = t("locales.#{@locale}.dir")
+- dir = @site.data.dig(params[:locale], 'dir')
 .row.justify-content-center
   .col-md-8
     %article.content.table-responsive-md
diff --git a/config/routes.rb b/config/routes.rb
index 8bab18af..a132135a 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -55,7 +55,7 @@ Rails.application.routes.draw do
 
     # Gestionar artículos según idioma
     nested do
-      scope '/(:locale)', constraint: /[a-z]{2}/ do
+      scope '/(:locale)', constraint: /[a-z]{2}(-[A-Z]{2})?/ do
         post :'posts/reorder', to: 'posts#reorder'
         resources :posts do
           get 'p/:page', action: :index, on: :collection