diff --git a/node/route_guide/README.md b/node/route_guide/README.md
index 85fc41629c9..5460c9905dc 100644
--- a/node/route_guide/README.md
+++ b/node/route_guide/README.md
@@ -354,9 +354,9 @@ $ npm install
 ```
 Run the server, which will listen on port 50051:
 ```shell
-$ node ./route_guide_server.js
+$ node ./route_guide_server.js --db_path=route_guide_db.json
 ```
 Run the client (in a different terminal):
 ```shell
-$ node ./route_guide_client.js
+$ node ./route_guide_client.js --db_path=route_guide_db.json
 ```