diff --git a/docker/frontend/entrypoint.sh b/docker/frontend/entrypoint.sh
index 1721bcad5..a913bedf5 100644
--- a/docker/frontend/entrypoint.sh
+++ b/docker/frontend/entrypoint.sh
@@ -10,7 +10,9 @@ cp /etc/nginx/nginx.conf /patch/nginx.conf
 sed -i "s/__MEMPOOL_FRONTEND_HTTP_PORT__/${__MEMPOOL_FRONTEND_HTTP_PORT__}/g" /patch/nginx.conf
 cat /patch/nginx.conf > /etc/nginx/nginx.conf
 
-[ "${APP_LIGHTNING_NODE_PORT}" = "9735" ] && LIGHTNING=true
+if [ "${LIGHTNING_DETECTED_PORT}" = "9735" ];then
+  export LIGHTNING=true
+fi
 
 # Runtime overrides - read env vars defined in docker compose