diff --git a/app/models/communication/website/post.rb b/app/models/communication/website/post.rb
index 72b9a95e3131e1bca5e8a4773889d6e64a605a58..319cc636bb9926b23efa41e48a2417fafc3c44ca 100644
--- a/app/models/communication/website/post.rb
+++ b/app/models/communication/website/post.rb
@@ -126,8 +126,9 @@ class Communication::Website::Post < ApplicationRecord
     dependencies += git_block_dependencies
     dependencies += university.communication_blocks.where(template_kind: :posts).includes(:about).map(&:about).uniq
     if author.present?
-      dependencies += [author, author.author]
+      dependencies += [author, author.author, translated_author, translated_author.author]
       dependencies += author.active_storage_blobs
+      dependencies += translated_author.active_storage_blobs
     end
     dependencies
   end
@@ -144,6 +145,10 @@ class Communication::Website::Post < ApplicationRecord
     "#{Static.remove_trailing_slash website.url}#{Static.clean_path current_permalink_in_website(website).path}"
   end
 
+  def translated_author
+    @translated_author ||= author.find_or_translate!(language)
+  end
+
   def to_s
     "#{title}"
   end
@@ -179,8 +184,7 @@ class Communication::Website::Post < ApplicationRecord
 
   def translate_additional_data!(translation)
     categories.each do |category|
-      translated_category = category.translation_for(translation.language)
-      translated_category ||= category.translate!(translation.language)
+      translated_category = category.find_or_translate!(translation.language)
       translation.categories << translated_category
     end
   end
diff --git a/app/models/concerns/with_slug.rb b/app/models/concerns/with_slug.rb
index 26fbf3ab9f5a784aa76967808c5c2bd57c570426..f7042b19fc7f9514d5bb80d7c8e831a65dcb051e 100644
--- a/app/models/concerns/with_slug.rb
+++ b/app/models/concerns/with_slug.rb
@@ -25,8 +25,11 @@ module WithSlug
     protected
 
     def slug_unavailable?(slug)
+      existence_params = { university_id: self.university_id, slug: slug }
+      existence_params[:language_id] = self.language_id if respond_to?(:language_id)
+
       self.class.unscoped
-                .where(university_id: self.university_id, slug: slug)
+                .where(**existence_params)
                 .where.not(id: self.id)
                 .exists?
     end
diff --git a/app/models/concerns/with_translations.rb b/app/models/concerns/with_translations.rb
index 634f59a9bc9c6ee429fe459abeaffe358a9b62a4..dfa25a79a1f7c1d8f1cf835330bd59fd7cac30e3 100644
--- a/app/models/concerns/with_translations.rb
+++ b/app/models/concerns/with_translations.rb
@@ -7,6 +7,12 @@ module WithTranslations
     has_many    :translations, class_name: base_class.to_s, foreign_key: :original_id, dependent: :nullify
   end
 
+  def find_or_translate!(language)
+    translation = translation_for(language)
+    translation ||= translate!(language)
+    translation
+  end
+
   def translation_for(language)
     # If current language is language, returns itself
     return self if language_id == language.id
@@ -28,8 +34,7 @@ module WithTranslations
 
     # Translate parent if needed
     if respond_to?(:parent_id) && parent_id.present?
-      parent_translation = parent.translation_for(language)
-      parent_translation ||= parent.translate!(language)
+      parent_translation = parent.find_or_translate!(language)
       translation.parent_id = parent_translation&.id
     end
 
diff --git a/app/views/admin/communication/websites/posts/_form.html.erb b/app/views/admin/communication/websites/posts/_form.html.erb
index 1c0f7d0024a6a74c5e5622fc1382d748d6b9c1ef..a1eae1b33421e2f0d8434295746d2c5c8db1c9e6 100644
--- a/app/views/admin/communication/websites/posts/_form.html.erb
+++ b/app/views/admin/communication/websites/posts/_form.html.erb
@@ -39,16 +39,9 @@
           </div>
           <%= f.input :published_at, html5: true, as: :date %>
         <% end %>
-        <% if current_user.author? || current_user.contributor? %>
-          <%= f.input :author_id,
-                      as: :hidden,
-                      input_html: { value: current_user.person&.id },
-                      wrapper: false %>
-        <% else %>
-          <%= f.association :author,
-                            collection: current_university.people.ordered,
+        <%= f.association :author,
+                            collection: current_university.people.where(language_id: current_university.default_language_id).ordered,
                             label_method: :to_s_alphabetical %>
-        <% end %>
         <%= f.input :slug,
                     as: :string,
                     input_html: post.persisted? ? {} : {
diff --git a/app/views/admin/communication/websites/posts/static.html.erb b/app/views/admin/communication/websites/posts/static.html.erb
index e89b9fd4cac31e15f5478a9a45f9680a84c91c29..5221ece0587cd49c0597d08f203b3ede1126f00c 100644
--- a/app/views/admin/communication/websites/posts/static.html.erb
+++ b/app/views/admin/communication/websites/posts/static.html.erb
@@ -8,7 +8,7 @@ weight: 1
 <% end %>
 <% if @about.author %>
 authors:
-  - "<%= @about.author.slug %>"
+  - "<%= @about.translated_author.slug %>"
 <% end %>
 <% if @about.categories.any? %>
 categories: