diff --git a/install-dev/upgrade/php/fix_download_product_feature_active.php b/install-dev/upgrade/php/fix_download_product_feature_active.php
new file mode 100644
index 000000000..354b3e5f5
--- /dev/null
+++ b/install-dev/upgrade/php/fix_download_product_feature_active.php
@@ -0,0 +1,31 @@
+<?php
+/*
+* 2007-2013 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  2007-2013 PrestaShop SA
+*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+*  International Registered Trademark & Property of PrestaShop SA
+*/
+
+function fix_download_product_feature_active()
+{
+	if (Db::getInstance()->getValue('SELECT COUNT(id_product_download) FROM `'._DB_PREFIX_.'product_download` WHERE `active` = 1 ;') > 0)
+		Configuration::updateGlobaleValue('PS_VIRTUAL_PROD_FEATURE_ACTIVE');
+}
\ No newline at end of file