diff --git a/package.json b/package.json
index 80c40ec372004890589a2166b46f417a3ed2f9c6..c89353b511d528926ba8866bb003be375a223d50 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
   "scripts": {
     "prepublish": "tsc",
     "tsc": "tsc",
+    "tscw": "tsc -w",
     "test": "nyc --reporter html mocha",
     "start": "node bin/duniter start",
     "build": "tsc && cd \"node_modules/duniter-ui\" && npm install && npm run build",