diff --git a/.env.sample b/.env.sample
index 1ff44dc..684fd99 100644
--- a/.env.sample
+++ b/.env.sample
@@ -48,7 +48,7 @@ TZ=UTC
 
 # Public URL for the web service (required)
 PUBLIC_URL=https://meet.example.com
-PUBLIC_URL_DOMAIN=meet.example.com
+JVB_WS_DOMAIN=meet.example.com
 
 # Media IP addresses to advertise by the JVB
 # This setting deprecates DOCKER_HOST_ADDRESS, and supports a comma separated list of IPs
diff --git a/compose.yml b/compose.yml
index 4209883..8ec8150 100644
--- a/compose.yml
+++ b/compose.yml
@@ -87,7 +87,7 @@ services:
       - jitsijvbconfig:/config
     environment:
     - JVB_AUTH_PASSWORD_FILE=/run/secrets/jvb_auth_password
-    - PUBLIC_URL_DOMAIN
+    - JVB_WS_DOMAIN
     configs:
       - source: entrypoint
         target: /custom-entrypoint.sh