diff --git a/app/controllers/archives_controller.rb b/app/controllers/archives_controller.rb
index 24c37ab..6a5920b 100644
--- a/app/controllers/archives_controller.rb
+++ b/app/controllers/archives_controller.rb
@@ -19,7 +19,7 @@ class ArchivesController < ApplicationController
 	        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')
             categories_sort = all_categories_no_nil.concat(all_categories_with_nil).collect do |cat|
-                categories.where(:_id => cat.category_id).first
+                categories.select{|category| category.id.to_s == cat.category_id.to_s)[0]
             end
 	        cats_last = []
 	        categories_sort.each do |category|
@@ -83,7 +83,7 @@ class ArchivesController < ApplicationController
     		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')
             categories_sort = all_categories_no_nil.concat(all_categories_with_nil).collect do |cat|
-                categories.where(:_id => cat.category_id).first
+                categories.select{|category| category.id.to_s == cat.category_id.to_s)[0]
             end
     		cats = categories_sort.collect do |category|
     			url_to_edit = OrbitHelper.user_has_cateogry?(category) ? "/admin/archive_files?filters[category][]=#{category.id.to_s}" : ""