diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index ff4e0a58d..80d1f8a79 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -36,7 +36,9 @@ services:
       - PHP_PM_MIN_SPARE_SERVERS=1
       - PHP_PM_MAX_SPARE_SERVERS=10
       - PUSHER_HOST
+      - PUSHER_BACKEND_HOST
       - PUSHER_PORT
+      - PUSHER_BACKEND_PORT
       - PUSHER_SCHEME
       - PUSHER_APP_ID
       - PUSHER_APP_KEY