diff --git a/packages/usb/package.json b/packages/usb/package.json
index 1eb0aa82..cb2a8b1d 100644
--- a/packages/usb/package.json
+++ b/packages/usb/package.json
@@ -5,11 +5,14 @@
   "main": "UhkConnection.js",
   "license": "GPL-3.0",
   "scripts": {
-    "build": "tsc",
+    "build": "npm run tsc && npm run chmod",
+    "tsc": "tsc",
+    "chmod": "shx chmod u+x dist/*.js",
     "watch": "tsc -w"
   },
   "devDependencies": {
     "@types/node": "8.0.28",
+    "shx": "0.2.2",
     "typescript": "2.5.3"
   },
   "dependencies": {
diff --git a/packages/usb/user-config-json-to-bin.ts b/packages/usb/user-config-json-to-bin.ts
index a7f37cd0..ba142c02 100644
--- a/packages/usb/user-config-json-to-bin.ts
+++ b/packages/usb/user-config-json-to-bin.ts
@@ -1,3 +1,5 @@
+#!/usr/bin/env node
+
 import { UhkBuffer, UserConfiguration } from 'uhk-common';
 import * as fs from 'fs';