diff --git a/packages/webpack/src/builder.js b/packages/webpack/src/builder.js
index 3d9545710fb3..2cd35e2ebf6a 100644
--- a/packages/webpack/src/builder.js
+++ b/packages/webpack/src/builder.js
@@ -176,6 +176,7 @@ export class WebpackBundler {
           stats: false,
           logLevel: 'silent',
           watchOptions: this.buildContext.options.watchers.webpack,
+          fs: compiler.outputFileSystem,
           ...buildOptions.devMiddleware
         })
     )