diff --git a/Corefile.acme b/Corefile.acme
index c9e791f..663ef7f 100644
--- a/Corefile.acme
+++ b/Corefile.acme
@@ -1,5 +1,5 @@
 acme-dns.k7dxs.net {
-	forward . acme-dns-dns.acme-dns.svc.cluster.local
+	forward . {$ACME_DNS_SERVICE_HOST}
 }
 
 import Corefile