diff --git a/app/controllers/boards_controller.rb b/app/controllers/boards_controller.rb
index be566c3..ae01108 100644
--- a/app/controllers/boards_controller.rb
+++ b/app/controllers/boards_controller.rb
@@ -37,7 +37,7 @@ class BoardsController < ApplicationController
     respond_to do |format|
       format.html {
         sort_init 'updated_on', 'desc'
-        sort_update	'created_on' => "#{Message.table_name}.created_on",
+        sort_update 'created_on' => "#{Message.table_name}.created_on",
                     'replies' => "#{Message.table_name}.replies_count",
                     'updated_on' => "#{Message.table_name}.updated_on"