diff --git a/install-dev/upgrade/sql/1.5.3.0.sql b/install-dev/upgrade/sql/1.5.3.0.sql
index bfd68fd6a..1c16a4f26 100644
--- a/install-dev/upgrade/sql/1.5.3.0.sql
+++ b/install-dev/upgrade/sql/1.5.3.0.sql
@@ -22,4 +22,4 @@ DELETE FROM `PREFIX_configuration` WHERE `name`= 'PS_HIGH_HTML_THEME_COMPRESSION
 
 INSERT INTO `PREFIX_configuration`(`name`, `value`, `date_add`, `date_upd`) VALUES ('PS_MAIL_COLOR', '#db3484', NOW(), NOW());
 
-ALTER TABLE `PREFIX_cart` CHANGE `delivery_option` `delivery_option` TEXT CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT '';
+ALTER TABLE `PREFIX_cart` CHANGE `delivery_option` `delivery_option` TEXT CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL;