diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index e9575eea1..7b99a204d 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -10,7 +10,7 @@ services:
       - webapp
     ports:
       - '8085:80'
-      - '${PUBLIC_PROXY_SSL_PORT:-443}:443'
+      - '8443:443'
     tty: true
     volumes:
       - ./docker/envoy/envoy.yaml:/etc/envoy/envoy.yaml