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 b417eaf67bd..5da8799d7b3 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
@@ -383,6 +383,7 @@ ALTER TABLE llx_product_fournisseur_price_log ADD COLUMN multicurrency_price	 do
 ALTER TABLE llx_product_fournisseur_price_log ADD COLUMN multicurrency_price_ttc double(24,8) DEFAULT NULL;
 
 UPDATE llx_contrat SET ref = rowid WHERE ref IS NULL OR ref = '';
+ALTER TABLE llx_contratdet ADD COLUMN vat_src_code varchar(10) DEFAULT '';
 
 CREATE TABLE llx_payment_various
 (