diff --git a/conf/systemd.service b/conf/systemd.service
index 404663e..ff11316 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -9,6 +9,7 @@ Group=__APP__
 WorkingDirectory=__INSTALL_DIR__/
 Environment=ETHERPAD_PRODUCTION=true
 Environment="__YNH_NODE_LOAD_PATH__"
+Environment="NODE_ENV=production"
 ExecStart=__INSTALL_DIR__/bin/run.sh
 #StandardOutput=append:/var/log/__APP__/etherpad.log
 #StandardError=inherit