diff --git a/packages/builder-rsbuild/src/preview/iframe-rsbuild.config.ts b/packages/builder-rsbuild/src/preview/iframe-rsbuild.config.ts
index 8442892..05c4c4e 100644
--- a/packages/builder-rsbuild/src/preview/iframe-rsbuild.config.ts
+++ b/packages/builder-rsbuild/src/preview/iframe-rsbuild.config.ts
@@ -188,6 +188,9 @@ export default async (
       progressBar: !quiet,
     },
     source: {
+      // TODO: Rspack doesn't support virtual modules yet, use cache dir instead
+      // we needed to explicitly set the module in `node_modules` to be compiled
+      include: [/[\\/]node_modules[\\/].*[\\/]storybook-config-entry\.js/],
       alias: {
         ...storybookPaths,
       },
diff --git a/sandboxes/react-rsbuild/package.json b/sandboxes/react-rsbuild/package.json
index dbd47df..69d7fa8 100644
--- a/sandboxes/react-rsbuild/package.json
+++ b/sandboxes/react-rsbuild/package.json
@@ -4,6 +4,7 @@
   "private": true,
   "description": "",
   "author": "",
+  "type": "module",
   "scripts": {
     "build": "rsbuild build",
     "build:storybook": "storybook build",