diff --git a/install-dev/sql/db.sql b/install-dev/sql/db.sql
index 57e1ff988..6a6ae5904 100644
--- a/install-dev/sql/db.sql
+++ b/install-dev/sql/db.sql
@@ -1259,17 +1259,20 @@ CREATE TABLE `PREFIX_product_attribute_image` (
 ) ENGINE=ENGINE_TYPE DEFAULT CHARSET=utf8;
 
 CREATE TABLE `PREFIX_product_download` (
-  `id_product_download` int(10) unsigned NOT NULL auto_increment,
+  `id_product_download` int(10) unsigned NOT NULL AUTO_INCREMENT,
   `id_product` int(10) unsigned NOT NULL,
-  `display_filename` varchar(255) default NULL,
-  `physically_filename` varchar(255) default NULL,
-  `date_deposit` datetime NOT NULL,
-  `date_expiration` datetime default NULL,
-  `nb_days_accessible` int(10) unsigned default NULL,
-  `nb_downloadable` int(10) unsigned default '1',
-  `active` tinyint(1) unsigned NOT NULL default '1',
-  PRIMARY KEY  (`id_product_download`),
-  KEY `product_active` (`id_product`,`active`)
+  `id_product_attribute` int(10) unsigned NOT NULL,
+  `display_filename` varchar(255) DEFAULT NULL,
+  `filename` varchar(255) DEFAULT NULL,
+  `date_add` datetime NOT NULL,
+  `date_expiration` datetime DEFAULT NULL,
+  `nb_days_accessible` int(10) unsigned DEFAULT NULL,
+  `nb_downloadable` int(10) unsigned DEFAULT '1',
+  `active` tinyint(1) unsigned NOT NULL DEFAULT '1',
+  `is_shareable` tinyint(1) unsigned NOT NULL DEFAULT '0',
+  PRIMARY KEY (`id_product_download`),
+  KEY `product_active` (`id_product`,`active`),
+  KEY `id_product_attribute` (`id_product_attribute`)
 ) ENGINE=ENGINE_TYPE DEFAULT CHARSET=utf8;
 
 CREATE TABLE `PREFIX_product_lang` (
diff --git a/install-dev/sql/upgrade/1.5.0.1.sql b/install-dev/sql/upgrade/1.5.0.1.sql
index 08379588c..0b8b97cdd 100644
--- a/install-dev/sql/upgrade/1.5.0.1.sql
+++ b/install-dev/sql/upgrade/1.5.0.1.sql
@@ -142,3 +142,8 @@ ALTER TABLE  `PREFIX_customer_message` ADD  `private` TINYINT NOT NULL DEFAULT
 ALTER TABLE `PREFIX_attribute` ADD `position` INT( 10 ) UNSIGNED NOT NULL DEFAULT '0';
 
 /* PHP:add_attribute_position(); */;
+
+ALTER TABLE `PREFIX_product_download` CHANGE `date_deposit` `date_add` DATETIME NOT NULL ;
+ALTER TABLE `PREFIX_product_download` CHANGE `physically_filename` `filename` VARCHAR( 255 ) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL;
+ALTER TABLE `PREFIX_product_download` ADD `id_product_attribute` INT( 10 ) UNSIGNED NOT NULL AFTER `id_product` , ADD INDEX ( `id_product_attribute` );
+ALTER TABLE `PREFIX_product_download` ADD `is_shareable` TINYINT( 1 ) UNSIGNED NOT NULL DEFAULT '0' AFTER `active` 
\ No newline at end of file