diff --git a/htdocs/install/mysql/migration/18.0.0-19.0.0.sql b/htdocs/install/mysql/migration/18.0.0-19.0.0.sql
index d053441d38d..2ba6aee00e1 100644
--- a/htdocs/install/mysql/migration/18.0.0-19.0.0.sql
+++ b/htdocs/install/mysql/migration/18.0.0-19.0.0.sql
@@ -105,3 +105,7 @@ INSERT INTO llx_const (name, entity, value, type, visible) VALUES ('PROPOSAL_ALL
 ALTER TABLE llx_bookcal_availabilities ADD COLUMN fk_bookcal_calendar integer NOT NULL;
 
 ALTER TABLE llx_bookcal_calendar ADD COLUMN visibility integer NOT NULL DEFAULT 1;
+
+-- Update website type
+UPDATE llx_societe_account SET site = 'dolibarr_website' WHERE fk_website > 0 AND site IS NULL;
+ALTER TABLE llx_societe_account MODIFY COLUMN site varchar(128) NOT NULL;