Custom build script breaks build watch (ionic 2)

I added a ionic_copy to my config.xml, but by doing this “watch” on any files stop working.

my package.json:

…“scripts”: {
“clean”: “ionic-app-scripts clean”,
“build”: “ionic-app-scripts build”,
“ionic:build”: “ionic-app-scripts build”,
“ionic:serve”: “ionic-app-scripts serve”
“config”: {
“ionic_copy”: “./config/copy.config.js”
“dependencies”: {…

What version of app-scripts are you running?
Have you checked the app-scripts repo to make sure this hasn’t been brought up and fixed already?