diff --git a/app/controllers/admin/archive_files_controller.rb b/app/controllers/admin/archive_files_controller.rb
index 081dee7..141c91b 100644
--- a/app/controllers/admin/archive_files_controller.rb
+++ b/app/controllers/admin/archive_files_controller.rb
@@ -17,7 +17,7 @@ class Admin::ArchiveFilesController < OrbitAdminController
     keys.each_with_index do |key,index|
         archivecategory = ArchiveCategory.where(category_id: key)
         if !(values[index].empty?)
-            archivecategory.first['sort_number'] = values[index]_.to_i
+            archivecategory.first['sort_number'] = values[index].to_i
             archivecategory.first.save!
         end
     end