diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index a41dc50..4ab5bba 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -46,7 +46,7 @@ class IssuesController < ApplicationController
   def index
     retrieve_query
     sort_init(@query.sort_criteria.empty? ? [['id', 'desc']] : @query.sort_criteria)
-    sort_update({'id' => "#{Issue.table_name}.id"}.merge(@query.columns.inject({}) {|h, c| h[c.name.to_s] = c.sortable; h}))
+    sort_update({'id' => "#{Issue.table_name}.id"}.merge(@query.available_columns.inject({}) {|h, c| h[c.name.to_s] = c.sortable; h}))
     
     if @query.valid?
       limit = per_page_option