diff --git a/keycloak/keycloak.yaml b/keycloak/keycloak.yaml
index bb12e50..d040525 100644
--- a/keycloak/keycloak.yaml
+++ b/keycloak/keycloak.yaml
@@ -19,7 +19,7 @@ spec:
     hostname: keycloak.grxe.io
   ingress:
     annotations:
-      - cert-manager.io/cluster-issuer: letsencrypt-prod
+      cert-manager.io/cluster-issuer: letsencrypt-prod
     enabled: true
     tlsSecret: keycloak-tls-secret
   proxy: