diff --git a/keycloak/keycloak.yaml b/keycloak/keycloak.yaml
index 8e6a1a3..bb12e50 100644
--- a/keycloak/keycloak.yaml
+++ b/keycloak/keycloak.yaml
@@ -18,7 +18,8 @@ spec:
   hostname:
     hostname: keycloak.grxe.io
   ingress:
-    annotations: cert-manager.io/cluster-issuer: letsencrypt-prod
+    annotations:
+      - cert-manager.io/cluster-issuer: letsencrypt-prod
     enabled: true
     tlsSecret: keycloak-tls-secret
   proxy: