diff --git a/extensions/markdown-language-features/package.json b/extensions/markdown-language-features/package.json
index f6e7f3592e3..f480308a5c6 100644
--- a/extensions/markdown-language-features/package.json
+++ b/extensions/markdown-language-features/package.json
@@ -319,7 +319,7 @@
     "watch": "npm run build-preview && gulp watch-extension:markdown-language-features",
     "vscode:prepublish": "npm run build-ext && npm run build-preview",
     "build-ext": "node ../../node_modules/gulp/bin/gulp.js --gulpfile ../../build/gulpfile.extensions.js compile-extension:markdown-language-features ./tsconfig.json",
-    "build-preview": "webpack --mode production",
+    "build-preview": "npx webpack-cli --mode production",
     "compile-web": "npx webpack-cli --config extension-browser.webpack.config --mode none",
     "watch-web": "npx webpack-cli --config extension-browser.webpack.config --mode none --watch --info-verbosity verbose"
   },