diff --git a/infra/longhorn/templates/ingress.yaml b/infra/longhorn/templates/ingress.yaml
index b8085bb..6e3a4c1 100644
--- a/infra/longhorn/templates/ingress.yaml
+++ b/infra/longhorn/templates/ingress.yaml
@@ -26,7 +26,7 @@ spec:
   secretName: longhorn-tls
   issuerRef:
     name: vault-issuer
-    namespace: cert-manager
+    kind: ClusterIssuer
   commonName: "longhorn.infra.durp.info"
   dnsNames:
     - "longhorn.infra.durp.info"