diff --git a/manifests/artemis/owncloud/values.yaml b/manifests/artemis/owncloud/values.yaml
index ddae80c..051f37b 100644
--- a/manifests/artemis/owncloud/values.yaml
+++ b/manifests/artemis/owncloud/values.yaml
@@ -458,7 +458,7 @@ ingress:
   className: "traefik"
   # -- Ingress annotations.
   annotations:
-    - cert-manager.io/cluster-issuer: letsencrypt
+    cert-manager.io/cluster-issuer: letsencrypt
   # -- Labels for the ingress.
   labels: {}
   # -- Ingress TLS configuration.