diff --git a/lib/builder-webpack5/src/preview/iframe-webpack.config.ts b/lib/builder-webpack5/src/preview/iframe-webpack.config.ts
index 21e1dc9cf50..ddebd0a882f 100644
--- a/lib/builder-webpack5/src/preview/iframe-webpack.config.ts
+++ b/lib/builder-webpack5/src/preview/iframe-webpack.config.ts
@@ -246,6 +246,7 @@ export default async (options: Options & Record<string, any>): Promise<Configura
       },
       fallback: {
         path: require.resolve('path-browserify'),
+        assert: false,
       },
     },
     optimization: {