diff --git a/rpc.yml b/rpc.yml
index f1597763..b65cc628 100644
--- a/rpc.yml
+++ b/rpc.yml
@@ -26,7 +26,7 @@ services:
       - "${NO_SSL:---entrypoints.web.http.redirections.entryPoint.to=websecure}"
       - "${NO_SSL:---entrypoints.web.http.redirections.entryPoint.scheme=https}"
       - "${NO_SSL:---certificatesresolvers.myresolver.acme.tlschallenge=true}"
-      - "${NO_SSL:---certificatesresolvers.myresolver.acme.email=$MAIL}"
+      - "${NO_SSL:---certificatesresolvers.myresolver.acme.email=$EMAIL}"
       - "${NO_SSL:---certificatesresolvers.myresolver.acme.storage=/letsencrypt/acme.json}"
     volumes:
       - "./traefik/letsencrypt:/letsencrypt"