diff --git a/docker-compose.yml b/docker-compose.yml
index 3a5cdd7..dffdedf 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,7 +7,7 @@ services:
       - mariadb
     environment:
       - TZ=${PI_TIMEZONE}
-      - IPAM_DATABASE_HOST=mariadb
+      - IPAM_DATABASE_HOST=${MARIADB_HOST}
       - IPAM_DATABASE_NAME=${MARIADB_DATABASE}
       - IPAM_DATABASE_USER=${MARIADB_USER}
       - IPAM_DATABASE_PASS=${MARIADB_PASSWORD}
diff --git a/example.env b/example.env
index eb2686d..e454999 100644
--- a/example.env
+++ b/example.env
@@ -14,6 +14,7 @@ TRAEFIK_HTTPS_MIDDLEWARES=hsts
 PI_VERSION=1.5x
 PI_TIMEZONE=Europe/Rome
 PI_SCAN_INTERVAL=10m
+MARIADB_HOST=mariadb
 # PHP IPAM Diun
 PI_DIUN_ENABLE=true
 PI_DIUN_WATCHREPO=true