diff --git a/bundles/left4me/files/etc/left4me/web.env.mako b/bundles/left4me/files/etc/left4me/web.env.mako
index b54e746..6cdd116 100644
--- a/bundles/left4me/files/etc/left4me/web.env.mako
+++ b/bundles/left4me/files/etc/left4me/web.env.mako
@@ -3,3 +3,5 @@ DATABASE_URL=sqlite:////var/lib/left4me/left4me.db
 SECRET_KEY=${node.metadata.get('left4me/secret_key')}
 JOB_WORKER_THREADS=${node.metadata.get('left4me/job_worker_threads')}
 SESSION_COOKIE_SECURE=true
+LEFT4ME_PORT_RANGE_START=${node.metadata.get('left4me/port_range_start')}
+LEFT4ME_PORT_RANGE_END=${node.metadata.get('left4me/port_range_end')}