diff --git a/test/fixtures/contacts.yml b/test/fixtures/contacts.yml
index 1f2e4b8da..cb9387090 100644
--- a/test/fixtures/contacts.yml
+++ b/test/fixtures/contacts.yml
@@ -14,7 +14,7 @@ william: &william
   name: William
   email: william@inbox.test
   phone: '+555.555'
-  fax: +555.555
+  fax: '+666.6'
   ident: 1234
   ident_type: priv
   ident_country_code: US