diff --git a/dns/external-dns.yaml b/dns/external-dns.yaml
index 46e8b09..f75b615 100644
--- a/dns/external-dns.yaml
+++ b/dns/external-dns.yaml
@@ -53,7 +53,7 @@ spec:
         - name: external-dns
           image: registry.k8s.io/external-dns/external-dns:v0.14.2
           args:
-            - --source=service
+            - --source=ingress
             - --provider=coredns
             - --domain-filter=apps.undercloud.dev
             - --policy=sync