diff --git a/app/views/admin/event_news/_form_file.html.erb b/app/views/admin/event_news/_form_file.html.erb
index 8d37ff1..a3b0998 100644
--- a/app/views/admin/event_news/_form_file.html.erb
+++ b/app/views/admin/event_news/_form_file.html.erb
@@ -52,7 +52,7 @@
         </li>
         <% end %>
       </ul>
-      <%= hidden_field_tag 'event_news[event_news_files_attributes][0][choose_lang][]', '' %>
+      <%= hidden_field_tag "event_news[event_news_files_attributes][#{( form_file.new_record? ? 'new_event_news_files' : "#{i}" )}][choose_lang][]", '' %>
     </span>
     <% if form_file.new_record? %>
       <span class="delete_file add-on btn" title="<%= t(:delete_) %>">
@@ -66,4 +66,4 @@
       </span>
     <% end %>
   </div>
-</div>
\ No newline at end of file
+</div>