diff --git a/app/controllers/admin/archive_files_controller.rb b/app/controllers/admin/archive_files_controller.rb
index 49413c9..6bb0af6 100644
--- a/app/controllers/admin/archive_files_controller.rb
+++ b/app/controllers/admin/archive_files_controller.rb
@@ -15,7 +15,7 @@ class Admin::ArchiveFilesController < OrbitAdminController
         key.slice! 'sort_number-'
     end
     keys.each_with_index do |key,index|
-        archivecategory = ArchiveCategory.all.where(category_id: key)
+        archivecategory = ArchiveCategory.where(category_id: key)
         archivecategory.first.sort_number = values[index]
         archivecategory.first.save!
     end