diff --git a/hosts/heather/arion-compose.nix b/hosts/heather/arion-compose.nix
index 6e29b6f..f8229ed 100644
--- a/hosts/heather/arion-compose.nix
+++ b/hosts/heather/arion-compose.nix
@@ -45,11 +45,9 @@
   # --- Custom network для jitsi с DNS aliases ---
   # Контейнеры jitsi общаются по FQDN (xmpp.meet.jitsi). Alias задан в
   # service.networks у prosody. Coturn в host network — вне этой сети.
-  docker-compose.networks = {
-    meet.jitsi = {
-      driver = "bridge";
-    };
-  };
+  # `networks` — top-level опция arion (как `services`), не в docker-compose.
+  # Имя без точки (docker-compose network name constraint).
+  networks.meet-jitsi.driver = "bridge";
   services = {
     # === Forgejo (git.iscg.dev) ===
     # Первый сервис, proof-of-concept для цепочки arion→docker→Caddy.
@@ -172,7 +170,7 @@
         "jitsi-transcripts:/usr/share/jitsi-meet/transcripts"
       ];
       service.depends_on = [ "jitsi-jvb" ];
-      service.networks = [ "meet.jitsi" ];
+      service.networks = [ "meet-jitsi" ];
       service.env_file = [ "/var/lib/jitsi-secrets/jitsi.env" ];
       service.environment = {
         PUBLIC_URL = "https://jitsi.iscg.dev";
@@ -217,7 +215,7 @@
         "jitsi-prosody:/config"
       ];
       # network aliases: prosody доступен как xmpp.meet.jitsi для jicofo/jvb/web
-      service.networks = { "meet.jitsi".aliases = [ "xmpp.meet.jitsi" ]; };
+      service.networks.meet-jitsi.aliases = [ "xmpp.meet.jitsi" ];
       service.env_file = [ "/var/lib/jitsi-secrets/jitsi.env" ];
       service.environment = {
         TZ = "Europe/Moscow";
@@ -237,7 +235,7 @@
       service.ports = [ "127.0.0.1:8888:8888" ];
       service.volumes = [ "jitsi-jicofo:/config" ];
       service.depends_on = [ "jitsi-prosody" ];
-      service.networks = [ "meet.jitsi" ];
+      service.networks = [ "meet-jitsi" ];
       service.env_file = [ "/var/lib/jitsi-secrets/jitsi.env" ];
       service.environment = {
         TZ = "Europe/Moscow";