diff --git a/setup/db/221to222.sql b/setup/db/221to222.sql
index bd57bf97542..0d0efa61a65 100644
--- a/setup/db/221to222.sql
+++ b/setup/db/221to222.sql
@@ -12,7 +12,7 @@ INSERT INTO configuration (`category`, `instance`, `component`, `name`, `value`,
 alter table user_statistics add column `network_id` bigint unsigned;
 update op_networks set nics_count=(nics_count-1) where id in (select d.network_id from domain_router d, vm_instance i where i.state='Running' and i.id=d.id);
 update network_offerings set traffic_type='Guest' where system_only=0;
-alter table network_offerings add column `guest_type` char(32) NOT NULL;
+alter table network_offerings add column `guest_type` char(32);
 update network_offerings set guest_type='Direct' where id=5;
 update network_offerings set guest_type='Virtual' where id=6;
 update network_offerings set guest_type='Direct' where id=7;