diff --git a/apps/base/consul/gateway.yaml b/apps/base/consul/gateway.yaml
index 5eadb41..62d37e4 100644
--- a/apps/base/consul/gateway.yaml
+++ b/apps/base/consul/gateway.yaml
@@ -12,7 +12,7 @@ metadata:
     cert-manager.io/cluster-issuer: vault-issuer
     cert-manager.io/common-name: consul.k8s.syd1.au.unkin.net
     cert-manager.io/private-key-size: "4096"
-    cert-manager.io/subject-alternative-names: consul.service.consul
+    cert-manager.io/alt-names: consul.service.consul
     external-dns.alpha.kubernetes.io/hostname: consul.k8s.syd1.au.unkin.net
     external-dns.alpha.kubernetes.io/target: 198.18.200.4
 spec: