diff --git a/install/db/101-database.php b/install/db/101-database.php
index 0fa8403be..8f37061f9 100644
--- a/install/db/101-database.php
+++ b/install/db/101-database.php
@@ -33,7 +33,7 @@ if ('mysql' == $conf['dblayer'])
 {
   pwg_query('
     ALTER TABLE '.USER_INFOS_TABLE.' 
-      ADD COLUMN `nb_image_page` tinyint(3) unsigned NOT NULL default \'15\'
+      ADD COLUMN `nb_image_page` smallint(3) unsigned NOT NULL default \'15\'
   ;');
 }
 else if (in_array($conf['dblayer'], array('pgsql', 'sqlite', 'pdo-sqlite')))
diff --git a/install/db/102-database.php b/install/db/102-database.php
new file mode 100644
index 000000000..d3fa13a4a
--- /dev/null
+++ b/install/db/102-database.php
@@ -0,0 +1,45 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based photo gallery                                    |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008-2011 Piwigo Team                  http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | 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 = 'change nb_image_page into smallint(3)';
+
+// add column
+if ('mysql' == $conf['dblayer'])
+{
+  pwg_query('
+    ALTER TABLE '.USER_INFOS_TABLE.' 
+      CHANGE `nb_image_page` `nb_image_page` SMALLINT(3) UNSIGNED NOT NULL DEFAULT 15
+  ;');
+}
+
+echo
+"\n"
+. $upgrade_description
+."\n"
+;
+?>
\ No newline at end of file
diff --git a/install/piwigo_structure-mysql.sql b/install/piwigo_structure-mysql.sql
index 42e94d367..cc05c311f 100644
--- a/install/piwigo_structure-mysql.sql
+++ b/install/piwigo_structure-mysql.sql
@@ -404,7 +404,7 @@ CREATE TABLE `piwigo_user_group` (
 DROP TABLE IF EXISTS `piwigo_user_infos`;
 CREATE TABLE `piwigo_user_infos` (
   `user_id` smallint(5) NOT NULL default '0',
-  `nb_image_page` tinyint(3) unsigned NOT NULL default '15',
+  `nb_image_page` smallint(3) unsigned NOT NULL default '15',
   `status` enum('webmaster','admin','normal','generic','guest') NOT NULL default 'guest',
   `language` varchar(50) NOT NULL default 'en_UK',
   `maxwidth` smallint(6) default NULL,