diff --git a/README.md b/README.md
index 3b58df8..85157e7 100644
--- a/README.md
+++ b/README.md
@@ -205,7 +205,7 @@ Then we can add an `npm test` script.
     "start": "nodemon lib/index.js --exec babel-node",
     "build": "babel lib -d dist",
     "serve": "node dist/index.js",
-+   "test": "mocha --compilers js:babel-register"
++   "test": "mocha --require babel-register"
   }
 ```