diff --git a/app/controllers/archives_controller.rb b/app/controllers/archives_controller.rb
index 7fa56b1..7e4c79f 100644
--- a/app/controllers/archives_controller.rb
+++ b/app/controllers/archives_controller.rb
@@ -329,9 +329,10 @@ F		cats = files_by_cateogry.keys.collect do |cat|
 	    def get_all_categories_id_sorted
 	        all_categories_with_nil = ArchiveCategory.all.in(sort_number: nil)
             all_categories_no_nil = ArchiveCategory.all.not_in(sort_number: nil).order_by(sort_number: 'desc')
-            all_categories_no_nil.concat(all_categories_with_nil).collect do |cat|
+            all_categories_id = all_categories_no_nil.concat(all_categories_with_nil).collect do |cat|
                 cat.category_id.to_s
             end
+            all_categories_id
         end
     	def check_cat_sort_data
             categories_temp = ModuleApp.where(:key => "archive").first.categories