diff --git a/src/pretix/presale/forms/checkout.py b/src/pretix/presale/forms/checkout.py
index 052a069717..ec2dd3a042 100644
--- a/src/pretix/presale/forms/checkout.py
+++ b/src/pretix/presale/forms/checkout.py
@@ -1,6 +1,6 @@
 from itertools import chain
 
-import dns
+import dns.resolver
 from django import forms
 from django.core.cache import cache
 from django.core.exceptions import ValidationError