diff --git a/app/views/posts/_form.haml b/app/views/posts/_form.haml
index 2336115..2ac0dd4 100644
--- a/app/views/posts/_form.haml
+++ b/app/views/posts/_form.haml
@@ -112,7 +112,8 @@
       options_for_select(@site.everything_of(:materiales_requeridos), @post.get_front_matter(:materiales_requeridos)),
       { class: 'form-control select2', multiple: 'multiple' }
     %small.text-muted.form-text= t('posts.materiales_requeridos_help')
-  - %w[es en ar].each do |lang|
+  - I18n.available_locales.map(&:to_s).each do |lang|
+    - next if lang == @lang
     .form-group
       = label_tag 'post_lang', t("posts.lang.#{lang}")
       = select_tag "post[lang][#{lang}]",