diff --git a/install-dev/upgrade/sql/1.5.0.17.sql b/install-dev/upgrade/sql/1.5.0.17.sql
index c12c7b6a0..eee99ffc1 100644
--- a/install-dev/upgrade/sql/1.5.0.17.sql
+++ b/install-dev/upgrade/sql/1.5.0.17.sql
@@ -1,7 +1,7 @@
 SET NAMES 'utf8';
 
 ALTER TABLE `PREFIX_order_detail_tax` CHANGE `unit_amount` `unit_amount` DECIMAL(16, 6) NOT NULL DEFAULT '0.000000';
-ALTER TABLE `PREFIX_order_detail_tax` CHANGE `total_amount` `unit_amount` DECIMAL(16, 6) NOT NULL DEFAULT '0.000000';
+ALTER TABLE `PREFIX_order_detail_tax` CHANGE `total_amount` `total_amount` DECIMAL(16, 6) NOT NULL DEFAULT '0.000000';
 
 ALTER TABLE `PREFIX_customer_message` ADD `read` tinyint(1) NOT NULL default '0' AFTER `private`;