diff --git a/htdocs/install/mysql/migration/5.0.0-6.0.0.sql b/htdocs/install/mysql/migration/5.0.0-6.0.0.sql
index f7ed5b7575b..d6cf1bd1e42 100644
--- a/htdocs/install/mysql/migration/5.0.0-6.0.0.sql
+++ b/htdocs/install/mysql/migration/5.0.0-6.0.0.sql
@@ -348,3 +348,4 @@ ALTER TABLE llx_facture ADD COLUMN fk_fac_rec_source integer;
 DELETE from llx_c_actioncomm where code in ('AC_PROP','AC_COM','AC_FAC','AC_SHIP','AC_SUP_ORD','AC_SUP_INV') AND id NOT IN (SELECT DISTINCT fk_action FROM llx_actioncomm);
 
 
+ALTER TABLE llx_inventory ADD COLUMN ref varchar(48);
\ No newline at end of file