diff --git a/compose.yml b/compose.yml
index 957f5cb..92bcd5d 100644
--- a/compose.yml
+++ b/compose.yml
@@ -144,7 +144,7 @@ services:
         - "traefik.enable=true"
         - "traefik.tcp.routers.foodsoft-smtp.rule=HostSNI(`*`)"
         - "traefik.tcp.routers.foodsoft-smtp.entrypoints=:2525"
-        - "traefik.tcp.services.foodsoft-smtp.loadbalancer.server.port=${FOODSOFT_SMTP_PORT}"
+        - "traefik.tcp.services.foodsoft-smtp.loadbalancer.server.port=${SMTP_SERVER_PORT}"
 
   db:
     image: "mariadb:10.5"