diff --git a/roles/cert-manager/defaults/main.yaml b/roles/cert-manager/defaults/main.yaml
index ef318fc..b4a15bb 100644
--- a/roles/cert-manager/defaults/main.yaml
+++ b/roles/cert-manager/defaults/main.yaml
@@ -1,6 +1,6 @@
 cert_manager_chart_ref: "jetstack/cert-manager"
 cert_manager_namespace: "cert-manager"
-ceph_manager_lets_encrypt_mailbox: "admin@{{ domain }}"
+cert_manager_lets_encrypt_mailbox: "admin@{{ domain }}"
 cert_manager_base64_tsig_key: "{{ k8s_tsig | b64encode }}"
 cert_manager_default_values:
   installCRDs: true