diff --git a/platform/viewer/.webpack/webpack.commonjs.js b/platform/viewer/.webpack/webpack.commonjs.js
index b0e4ecb07..3c0b005fd 100644
--- a/platform/viewer/.webpack/webpack.commonjs.js
+++ b/platform/viewer/.webpack/webpack.commonjs.js
@@ -13,7 +13,7 @@ module.exports = (env, argv) => {
 
   return merge(commonConfig, {
     entry: {
-      app: `${SRC_DIR}/index-umd.js`,
+      bundle: `${SRC_DIR}/index-umd.js`,
     },
     devtool: 'source-map',
     stats: {
diff --git a/platform/viewer/package.json b/platform/viewer/package.json
index 92bae46b1..e9e05e543 100644
--- a/platform/viewer/package.json
+++ b/platform/viewer/package.json
@@ -22,7 +22,7 @@
     "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 --watch",
+    "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:viewer": "yarn run dev",
     "start": "yarn run dev",