diff --git a/htdocs/install/mysql/migration/16.0.0-17.0.0.sql b/htdocs/install/mysql/migration/16.0.0-17.0.0.sql
index 2a1a9ee2fd5..744c000294b 100644
--- a/htdocs/install/mysql/migration/16.0.0-17.0.0.sql
+++ b/htdocs/install/mysql/migration/16.0.0-17.0.0.sql
@@ -393,3 +393,6 @@ ALTER TABLE llx_opensurvey_user_studs ADD COLUMN date_creation datetime NULL;
 ALTER TABLE llx_opensurvey_comments ADD COLUMN date_creation datetime NULL;
 
 ALTER TABLE llx_c_tva ADD COLUMN use_default tinyint DEFAULT 0;
+
+ALTER TABLE llx_commande_fournisseurdet MODIFY COLUMN ref varchar(128);
+ALTER TABLE llx_facture_fourn_det MODIFY COLUMN ref varchar(128);