diff --git a/argocd/apps/minio/minio.yaml b/argocd/apps/minio/minio.yaml
index f8acbf7..390dbef 100644
--- a/argocd/apps/minio/minio.yaml
+++ b/argocd/apps/minio/minio.yaml
@@ -26,7 +26,7 @@ spec:
         - name: ingress.annotations.traefik\.ingress\.kubernetes\.io\/router\.tls
           value: 'true'
           forceString: true
-        - name: 'ingress.annotations.cert-manager.io/cluster-issuer'
+        - name: ingress.annotations.cert-manager.io\/cluster-issuer
           value: 's3.innovation-hub-niedersachsen.de-tls'
         #- name: ingress.annotations.ingress\.secrets
         #  value: 's3.innovation-hub-niedersachsen.de-tls'