diff --git a/addons/account_voucher/voucher_payment_receipt_view.xml b/addons/account_voucher/voucher_payment_receipt_view.xml
index f70f47c54ef..fd4733bce90 100644
--- a/addons/account_voucher/voucher_payment_receipt_view.xml
+++ b/addons/account_voucher/voucher_payment_receipt_view.xml
@@ -352,10 +352,11 @@
+
@@ -369,10 +370,11 @@
+
+ attrs="{'required': [('state', 'in', [False, 'draft'])]}"/>