diff --git a/manifests/system/cert-manager/clusterissuers.yaml b/manifests/system/cert-manager/clusterissuers.yaml
index b7fd30c..20ed6cf 100644
--- a/manifests/system/cert-manager/clusterissuers.yaml
+++ b/manifests/system/cert-manager/clusterissuers.yaml
@@ -11,4 +11,4 @@ spec:
     solvers:
       - http01:
           ingress:
-            class: nginx
+            ingressClassName: nginx