diff --git a/conf/overleaf-web.service b/conf/overleaf-web.service
index 552268b..1ea1e58 100644
--- a/conf/overleaf-web.service
+++ b/conf/overleaf-web.service
@@ -7,6 +7,8 @@ Type=simple
 User=__APP__
 Group=__APP__
 WorkingDirectory=__INSTALL_DIR__/
+Environment="LISTEN_ADDRESS=127.0.0.1"
+Environment="WEB_PORT=__PORT__"
 Environment="MONGO_CONNECTION_STRING=mongodb://127.0.0.1:27017/__DB_NAME__"
 EnvironmentFile=__INSTALL_DIR__/variables.env
 ExecStart=__YNH_NODE__ __INSTALL_DIR__/live/services/web/app.js