diff --git a/install/db/24-database.php b/install/db/24-database.php
new file mode 100644
index 000000000..e1d5b7ef2
--- /dev/null
+++ b/install/db/24-database.php
@@ -0,0 +1,50 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery                           |
+// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
+// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch        : BSF (Best So Far)
+// | file          : $RCSfile$
+// | last update   : $Date: 2005-09-21 00:04:57 +0200 (mer, 21 sep 2005) $
+// | last modifier : $Author: plg $
+// | revision      : $Revision: 870 $
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify  |
+// | it under the terms of the GNU General Public License as published by  |
+// | the Free Software Foundation                                          |
+// |                                                                       |
+// | This program is distributed in the hope that it will be useful, but   |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
+// | General Public License for more details.                              |
+// |                                                                       |
+// | You should have received a copy of the GNU General Public License     |
+// | along with this program; if not, write to the Free Software           |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA.                                                                  |
+// +-----------------------------------------------------------------------+
+
+if (!defined('PHPWG_ROOT_PATH'))
+{
+  die('Hacking attempt!');
+}
+
+$upgrade_description = 'increase categories.rank size, up to 65535';
+
+$query = '
+ALTER TABLE '.PREFIX_TABLE.'categories
+  CHANGE COLUMN rank rank SMALLINT(5) UNSIGNED DEFAULT NULL
+;';
+pwg_query($query);
+
+// +-----------------------------------------------------------------------+
+// |                           End notification                            |
+// +-----------------------------------------------------------------------+
+
+echo
+"\n"
+.$upgrade_description
+."\n"
+;
+?>
diff --git a/install/phpwebgallery_structure.sql b/install/phpwebgallery_structure.sql
index 189831bbe..73f132af7 100644
--- a/install/phpwebgallery_structure.sql
+++ b/install/phpwebgallery_structure.sql
@@ -28,7 +28,7 @@ CREATE TABLE `phpwebgallery_categories` (
   `id_uppercat` smallint(5) unsigned default NULL,
   `comment` text,
   `dir` varchar(255) default NULL,
-  `rank` tinyint(3) unsigned default NULL,
+  `rank` smallint(5) unsigned default NULL,
   `status` enum('public','private') NOT NULL default 'public',
   `site_id` tinyint(4) unsigned default '1',
   `visible` enum('true','false') NOT NULL default 'true',