diff --git a/proxy-mtproto/.env.dist b/proxy-mtproto/.env.dist
index 279ceb9..92bd312 100644
--- a/proxy-mtproto/.env.dist
+++ b/proxy-mtproto/.env.dist
@@ -1,11 +1,12 @@
 # see https://hub.docker.com/r/nineseconds/mtg
 # IPv4 address of this proxy. This is required if you NAT your proxy or run it in a docker container.
-MTG_IPV4=123.456.789.012
-# Which port should we bind to (listen on).
-MTG_PORT=443
-# Which port should be public of IPv4 interface. This affects only generated links.
-MTG_IPV4_PORT=444
+# https://github.com/9seconds/mtg#environment-variables
+MTG_IPV4=123.456.789.012:444
+
+# Internal port
+INTERNAL_PORT=444
+EXTERNAL_PORT=444
 
 # docker-compose.yml substitution:
-MTPROTO_SECRET=dd
-MTPROTO_TAG=
\ No newline at end of file
+PROXY_SECRET=
+PROXY_TAG=
\ No newline at end of file
diff --git a/proxy-mtproto/docker-compose.yml b/proxy-mtproto/docker-compose.yml
index 72b4092..e653e48 100644
--- a/proxy-mtproto/docker-compose.yml
+++ b/proxy-mtproto/docker-compose.yml
@@ -5,7 +5,7 @@ services:
     image: nineseconds/mtg:latest
     container_name: proxy-mtproto
     ports:
-      - "${MTG_IPV4_PORT}:${MTG_PORT}/tcp"
+      - "${EXTERNAL_PORT}:${INTERNAL_PORT}/tcp"
     env_file: .env
     restart: unless-stopped
-    command: "run ${MTPROTO_SECRET:-} ${MTPROTO_TAG:-}"
+    command: "run ${MTPROTO_SECRET} ${MTPROTO_TAG}"