diff --git a/docker-compose.yml.sample b/docker-compose.yml.sample
index d10b47073744ad1d56719d1e267ba93557f6de0a..6aba6a7a1144303ee347da9908e828b197f30ed8 100644
--- a/docker-compose.yml.sample
+++ b/docker-compose.yml.sample
@@ -16,7 +16,8 @@ services:
       - "./acme.json:/acme.json"
       - "./log:/var/log"
     networks:
-      - traefik
+      traefik:
+        ipv4_address: '172.19.0.2'
     restart: always
     labels:
       - "traefik.enable=true"