diff --git a/platform/viewer/package.json b/platform/viewer/package.json
index e9e05e543..e1a3e7037 100644
--- a/platform/viewer/package.json
+++ b/platform/viewer/package.json
@@ -22,8 +22,8 @@
     "build:viewer:ci": "cross-env NODE_ENV=production PUBLIC_URL=/pwa/ APP_CONFIG=config/netlify.js node --max_old_space_size=4096 ./../../node_modules/webpack/bin/webpack.js --config .webpack/webpack.pwa.js",
     "build:viewer:demo": "cross-env NODE_ENV=production APP_CONFIG=config/demo.js HTML_TEMPLATE=rollbar.html node --max_old_space_size=4096 ./../../node_modules/webpack/bin/webpack.js --progress --config .webpack/webpack.pwa.js",
     "build:viewer:package": "yarn run build:package",
-    "dev": "cross-env NODE_ENV=development webpack-dev-server --config .webpack/webpack.pwa.js -w",
-    "dev:orthanc": "cross-env NODE_ENV=development PROXY_TARGET=/dicom-web PROXY_DOMAIN=http://localhost:8042 APP_CONFIG=config/docker_nginx-orthanc.js webpack-dev-server --config .webpack/webpack.pwa.js -w",
+    "dev": "cross-env NODE_ENV=development webpack-dev-server --config .webpack/webpack.pwa.js --watch",
+    "dev:orthanc": "cross-env NODE_ENV=development PROXY_TARGET=/dicom-web PROXY_DOMAIN=http://localhost:8042 APP_CONFIG=config/docker_nginx-orthanc.js webpack-dev-server --config .webpack/webpack.pwa.js --watch",
     "dev:viewer": "yarn run dev",
     "start": "yarn run dev",
     "test:e2e": "cypress open",