diff --git a/src/tests/base/test_models.py b/src/tests/base/test_models.py
index 557d2a0664..1adabcbe99 100644
--- a/src/tests/base/test_models.py
+++ b/src/tests/base/test_models.py
@@ -306,10 +306,13 @@ class OrderTestCase(BaseQuotaTestCase):
         self.assertEqual(self.order.status, Order.STATUS_PAID)
 
     def test_can_modify_answers(self):
+        self.event.settings.set('invoice_address_asked', False)
         self.event.settings.set('attendee_names_asked', True)
         assert self.order.can_modify_answers
         self.event.settings.set('attendee_names_asked', False)
         assert not self.order.can_modify_answers
+        self.event.settings.set('invoice_address_asked', True)
+        assert self.order.can_modify_answers
         q = Question.objects.create(question='Foo', type=Question.TYPE_BOOLEAN, event=self.event)
         self.item1.questions.add(q)
         assert self.order.can_modify_answers