diff --git a/test/fixtures/invoices.yml b/test/fixtures/invoices.yml
index 7c6be1afd..e154b50d6 100644
--- a/test/fixtures/invoices.yml
+++ b/test/fixtures/invoices.yml
@@ -4,7 +4,7 @@ one:
   currency: EUR
   seller_name: Seller Ltd
   seller_reg_no: 1234
-  seller_iban: iban
+  seller_iban: US75512108001245126199
   seller_bank: Main Bank
   seller_swift: swift
   seller_country_code: US