diff --git a/package.json b/package.json
index 54c93e62..5e869e32 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "zmodem.js": "^0.1.5"
   },
   "scripts": {
-    "start": "concurrently --kill-others-on-fail --names 'demo,server' 'gulp watch-demo' 'node demo/app'",
+    "start": "concurrently --kill-others-on-fail --names \"demo,server\" \"gulp watch-demo\" \"node demo/app\"",
     "start-zmodem": "node demo/zmodem/app",
     "lint": "tslint 'src/**/*.ts'",
     "test": "npm-run-all mocha lint",