diff --git a/setup/flavors/compose/docker-compose.yml b/setup/flavors/compose/docker-compose.yml
index 630531fe..e6b64077 100644
--- a/setup/flavors/compose/docker-compose.yml
+++ b/setup/flavors/compose/docker-compose.yml
@@ -32,6 +32,7 @@ services:
   {% if resolver_enabled %}      
   resolver:
     image: mailu/unbound:{{ version }}
+    env_file: {{ env }}
     restart: always
     networks:
       default:
diff --git a/setup/flavors/compose/mailu.env b/setup/flavors/compose/mailu.env
index 425f4cad..4a14de63 100644
--- a/setup/flavors/compose/mailu.env
+++ b/setup/flavors/compose/mailu.env
@@ -26,7 +26,7 @@ SECRET_KEY={{ secret(16) }}
 # PUBLIC_IPV6= {{ bind6 }} (default: ::1)
 
 # Subnet
-# SUBNET={{ subnet }}
+SUBNET={{ subnet }}
 
 # Main mail domain
 DOMAIN={{ domain }}