diff --git a/roles/traefik/defaults/main.yml b/roles/traefik/defaults/main.yml
index 02f27b2..ed02028 100644
--- a/roles/traefik/defaults/main.yml
+++ b/roles/traefik/defaults/main.yml
@@ -7,6 +7,7 @@ traefik_metrics_port: 8100
 traefik_dashboard_insecure: true   # ufw should only allow from tailscale or vnet
 traefik_acme_staging: "{{ lookup('env', 'TRAEFIK_ACME_STAGING') | default('false', true) }}"
 
+traefik_acme_email: "{{ lookup('env', 'TRAEFIK_ACME_EMAIL') | default('', true) }}"
 traefik_domain: "{{ lookup('env', 'DOMAIN') | default('', true) }}"
 # Single source of truth for static routing. Expected to be overridden
 # from group_vars, -e, or an env-var lookup at the play level — see