diff --git a/install-dev/upgrade/php/update_module_product_comments.php b/install-dev/upgrade/php/update_module_product_comments.php
new file mode 100644
index 000000000..8b7e2bad3
--- /dev/null
+++ b/install-dev/upgrade/php/update_module_product_comments.php
@@ -0,0 +1,48 @@
+<?php
+/*
+* 2007-2012 PrestaShop
+*
+* NOTICE OF LICENSE
+*
+* This source file is subject to the Open Software License (OSL 3.0)
+* that is bundled with this package in the file LICENSE.txt.
+* It is also available through the world-wide-web at this URL:
+* http://opensource.org/licenses/osl-3.0.php
+* If you did not receive a copy of the license and are unable to
+* obtain it through the world-wide-web, please send an email
+* to license@prestashop.com so we can send you a copy immediately.
+*
+* DISCLAIMER
+*
+* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+* versions in the future. If you wish to customize PrestaShop for your
+* needs please refer to http://www.prestashop.com for more information.
+*
+*  @author PrestaShop SA <contact@prestashop.com>
+*  @copyright  2007-2012 PrestaShop SA
+*  @version  Release: $Revision$
+*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+*  International Registered Trademark & Property of PrestaShop SA
+*/
+
+function update_module_product_comments()
+{
+	if (Db::getInstance()->getValue('SELECT `id_module` FROM `'._DB_PREFIX_.'module` WHERE `name`="productcomments"'))
+	{
+		Db::getInstance()->execute('
+			CREATE TABLE IF NOT EXISTS `ps_product_comment_usefulness` (
+			  `id_product_comment` int(10) unsigned NOT NULL,
+			  `id_customer` int(10) unsigned NOT NULL,
+			  `usefulness` tinyint(1) unsigned NOT NULL,
+			  PRIMARY KEY (`id_product_comment`, `id_customer`)
+			) ENGINE=ENGINE_TYPE DEFAULT CHARSET=utf8');
+
+		Db::getInstance()->execute('
+			CREATE TABLE IF NOT EXISTS `ps_product_comment_report` (
+			  `id_product_comment` int(10) unsigned NOT NULL,
+			  `id_customer` int(10) unsigned NOT NULL,
+			  PRIMARY KEY (`id_product_comment`, `id_customer`)
+			) ENGINE=ENGINE_TYPE DEFAULT CHARSET=utf8');
+	}
+}
+
diff --git a/install-dev/upgrade/sql/1.5.0.12.sql b/install-dev/upgrade/sql/1.5.0.12.sql
index a44c5d31e..e1ecb0961 100644
--- a/install-dev/upgrade/sql/1.5.0.12.sql
+++ b/install-dev/upgrade/sql/1.5.0.12.sql
@@ -30,6 +30,7 @@ ALTER TABLE `PREFIX_pagenotfound` ADD `id_shop_group` INT(10) AFTER `id_pagenotf
 
 /* PHP:add_new_groups('Non identifié', 'Unidentified'); */;
 /* PHP:editorial_update_multishop(); */;
+/* PHP:update_module_product_comments(); */;
 
 ALTER TABLE `PREFIX_customer`
 	ADD `id_risk` int(10) unsigned NOT NULL DEFAULT '1',