diff --git a/setup/db/db/schema-452to460.sql b/setup/db/db/schema-452to460.sql
index 0abd4f80408..9009ba418ed 100644
--- a/setup/db/db/schema-452to460.sql
+++ b/setup/db/db/schema-452to460.sql
@@ -398,3 +398,7 @@ CREATE TABLE `cloud`.`external_bigswitch_bcf_devices` (
   CONSTRAINT `fk_external_bigswitch_bcf_devices__host_id` FOREIGN KEY (`host_id`) REFERENCES `host`(`id`) ON DELETE CASCADE,
   CONSTRAINT `fk_external_bigswitch_bcf_devices__physical_network_id` FOREIGN KEY (`physical_network_id`) REFERENCES `physical_network`(`id`) ON DELETE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+SET foreign_key_checks = 0;
+ALTER TABLE `cloud`.`region` MODIFY `id` int unsigned UNIQUE NOT NULL;
+SET foreign_key_checks = 1;