diff --git a/.env.example b/.env.example
index 79cad6a..2954781 100644
--- a/.env.example
+++ b/.env.example
@@ -1,3 +1,3 @@
 # Copy to .env and adjust as needed.
 COMPOSE_PROJECT=hai-omni-docs
-DOMAIN=hai-omni-pro-ii.warehack.ing
+DOMAIN=hai-omni-pro-ii.l.warehack.ing
diff --git a/README.md b/README.md
index 763dda6..fdfb253 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ reverse-engineered Python library and Home Assistant integration for HAI/Leviton
 Omni Pro II home automation panels. Built with Astro + Starlight, organised
 around the Diátaxis framework.
 
-Live: <https://hai-omni-pro-ii.warehack.ing>
+Live: <https://hai-omni-pro-ii.l.warehack.ing>
 
 ## Local development
 
diff --git a/astro.config.mjs b/astro.config.mjs
index 6073851..26ed6c9 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -5,7 +5,7 @@ import icon from 'astro-icon';
 
 // https://astro.build/config
 export default defineConfig({
-	site: 'https://hai-omni-pro-ii.warehack.ing',
+	site: 'https://hai-omni-pro-ii.l.warehack.ing',
 	telemetry: false,
 	devToolbar: { enabled: false },
 	integrations: [
diff --git a/docker-compose.yml b/docker-compose.yml
index b916f85..8ccf9b1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,7 +11,7 @@ services:
     expose:
       - "80"
     labels:
-      caddy: ${DOMAIN:-hai-omni-pro-ii.warehack.ing}
+      caddy: ${DOMAIN:-hai-omni-pro-ii.l.warehack.ing}
       caddy.reverse_proxy: "{{upstreams 80}}"
 
 networks: