diff --git a/install/shop.sql b/install/shop.sql
index 004dd05fe..a37343594 100644
--- a/install/shop.sql
+++ b/install/shop.sql
@@ -74,9 +74,9 @@ CREATE TABLE IF NOT EXISTS `shop_cart` (
   `ct_ip` varchar(25) NOT NULL DEFAULT '',
   `ct_send_cost` varchar(255) NOT NULL,
   `ct_direct` tinyint(4) NOT NULL,
-  `ct_order` int(11) NOT NULL DEFAULT '0',
   PRIMARY KEY (`ct_id`),
-  KEY `uq_id` (`uq_id`)
+  KEY `uq_id` (`uq_id`),
+  KEY `ct_num` (`ct_num`)
 ) ENGINE=MyISAM  DEFAULT CHARSET=utf8;
 
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