diff --git a/cert-cluster-issuer/cluster-issuer.yaml b/cert-cluster-issuer/cluster-issuer.yaml
index 05ca1f4..12015a1 100644
--- a/cert-cluster-issuer/cluster-issuer.yaml
+++ b/cert-cluster-issuer/cluster-issuer.yaml
@@ -17,4 +17,4 @@ spec:
     solvers:
     - http01:
         ingress:
-          ingressClassName: nginx
+          class: "public"