diff --git a/app/views/posts/_form.haml b/app/views/posts/_form.haml
index 770dd1d4..af49bf25 100644
--- a/app/views/posts/_form.haml
+++ b/app/views/posts/_form.haml
@@ -31,10 +31,10 @@
     = submit_tag t('posts.save_incomplete'), class: 'btn btn-info submit-post-incomplete', name: 'commit_incomplete'
     .invalid_help.alert.alert-danger.d-none= @site.config.dig('invalid_help') || t('posts.invalid_help')
     .sending_help.alert.alert-success.d-none= @site.config.dig('sending_help') || t('posts.sending_help')
-  - if current_user.is_a? Usuaria
+  - if @site.usuarie? current_user
     .form-group
       = label_tag 'post_author', t('posts.author')
-      - todxs = (@site.usuarias + @site.invitadxs).compact.uniq.map(&:username)
+      - todxs = (@site.usuarias + @site.invitades).compact.uniq.map(&:email)
       = select_tag 'post[author]',
         options_for_select(todxs, @post.author || current_user.email),
         { class: 'form-control select2',