diff --git a/package.json b/package.json
index 8a22bf782..12793c646 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "prebabelify": "rimraf lib",
     "babelify": "babel src --out-dir lib",
     "prepare": "npm run babelify",
-    "build": "npm run prepare && node lib/build.js",
+    "build": "babel-node src/build.js",
     "test": "jest"
   },
   "devDependencies": {