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 cc460f5ba42..0ff9281ee19 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
@@ -312,4 +312,4 @@ ALTER TABLE llx_actioncomm_reminder ADD INDEX idx_actioncomm_reminder_status (st
 
 ALTER TABLE llx_inventorydet ADD UNIQUE uk_inventorydet(fk_inventory, fk_warehouse, fk_product, batch);
 
-
+ALTER TABLE llx_facturedet ADD COLUMN ref_ext varchar(255) AFTER multicurrency_total_ttc;