diff --git a/demo-shell/package.json b/demo-shell/package.json
index 4be8b917de..fe3a582491 100644
--- a/demo-shell/package.json
+++ b/demo-shell/package.json
@@ -11,7 +11,7 @@
     "start:dist": "npm run server-versions && rimraf dist && node --max_old_space_size=30000 node_modules/.bin/ng serve --prod --sourcemaps --host 0.0.0.0 --disable-host-check --app dist",
     "build": "npm run validate-config && npm run server-versions && rimraf dist && ng build --app dist",
     "build:dev": "npm run validate-config && npm run lint && npm run style:dev && npm run server-versions && rimraf dist && ng build --app dev",
-    "build:dist": "npm run validate-config && npm run server-versions && rimraf dist && ng build --prod --app dist",
+    "build:dist": "npm run validate-config && npm run server-versions && rimraf dist && ng build --prod --sourcemaps --app dist",
     "style:dev": "npm run webpack -- --config  config/webpack.style.js --progress --profile --bail",
     "copy:dev": "node ./config/dev-copy-watch.js",
     "test": " ng test --single-run",