diff --git a/htdocs/install/mysql/migration/12.0.0-13.0.0.sql b/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
index cf4b5747684..f76136790c1 100644
--- a/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
+++ b/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
@@ -562,7 +562,8 @@ INSERT INTO llx_c_socialnetworks (entity, code, label, url, icon, active) VALUES
 -- VMYSQL4.1 INSERT INTO llx_boxes_def (file, entity) SELECT  'box_customers_outstanding_bill_reached.php', 1 FROM DUAL WHERE NOT EXISTS (SELECT * FROM llx_boxes_def WHERE file = 'box_customers_outstanding_bill_reached.php' AND entity = 1);
 -- VMYSQL4.1 INSERT INTO llx_boxes_def (file, entity) SELECT  'box_scheduled_jobs.php', 1 FROM DUAL WHERE NOT EXISTS (SELECT * FROM llx_boxes_def WHERE file = 'box_scheduled_jobs.php' AND entity = 1);
 
-ALTER TABLE llx_product_fournisseur_price ADD COLUMN packaging varchar(64);
+ALTER TABLE llx_product_fournisseur_price ADD COLUMN packaging varchar(64) DEFAULT NULL;
+ALTER TABLE llx_product_fournisseur_price MODIFY COLUMN packaging varchar(64) DEFAULT NULL;
 
 ALTER TABLE llx_projet ADD COLUMN fk_opp_status_end integer DEFAULT NULL;