diff --git a/htdocs/install/mysql/migration/14.0.0-15.0.0.sql b/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
index 349b7e3a617..cd6cbeae3e6 100644
--- a/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
+++ b/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
@@ -57,7 +57,7 @@ ALTER TABLE llx_categorie_ticket ADD CONSTRAINT fk_categorie_ticket_categorie_ro
 ALTER TABLE llx_categorie_ticket ADD CONSTRAINT fk_categorie_ticket_ticket_rowid   FOREIGN KEY (fk_ticket) REFERENCES llx_ticket (rowid);
 ALTER TABLE llx_product_fournisseur_price MODIFY COLUMN ref_fourn varchar(128);
 ALTER TABLE llx_product_customer_price MODIFY COLUMN ref_customer varchar(128);
-ALTER TABLE llx_product_association ADD COLUMN rang int;
+ALTER TABLE llx_product_association ADD COLUMN rang integer DEFAULT 0;
 
 -- -- add action trigger
 INSERT INTO llx_c_action_trigger (code,label,description,elementtype,rang) VALUES ('ORDER_SUPPLIER_CANCEL','Supplier order request canceled','Executed when a supplier order is canceled','order_supplier',13);