diff --git a/app/controllers/admin/articles_controller.rb b/app/controllers/admin/articles_controller.rb
index 3db8dde5..15b30592 100644
--- a/app/controllers/admin/articles_controller.rb
+++ b/app/controllers/admin/articles_controller.rb
@@ -108,7 +108,7 @@ def autosave
 
     fetch_fresh_or_existing_draft_for_article
 
-    @article.attributes = params[:article].permit!
+    @article.assign_attributes(update_params)
 
     @article.author = current_user
     @article.save_attachments!(params[:attachments])