diff --git a/argocd-nginx/base/argocd-ingress.yaml b/argocd-nginx/base/argocd-ingress.yaml
index 0b26e3b..63e50ff 100644
--- a/argocd-nginx/base/argocd-ingress.yaml
+++ b/argocd-nginx/base/argocd-ingress.yaml
@@ -4,7 +4,7 @@ metadata:
   name: argocd-ingress
   namespace: argocd
   annotations:
-    cert-manager.io/issuer: "letsencrypt"
+    cert-manager.io/cluster-issuer: "letsencrypt"
 spec:
   ingressClassName: nginx
   tls: