diff --git a/README.md b/README.md
index 85dd06a2..14c0101a 120000
--- a/README.md
+++ b/README.md
@@ -1 +1 @@
-packages/builder-vite/README.md
\ No newline at end of file
+packages/builder-vite/README.md
diff --git a/examples/react/stories/mdx-in-stories/MarkdownInMDX.stories.mdx b/examples/react/stories/mdx-in-stories/MarkdownInMDX.stories.mdx
new file mode 100644
index 00000000..6d06bbbf
--- /dev/null
+++ b/examples/react/stories/mdx-in-stories/MarkdownInMDX.stories.mdx
@@ -0,0 +1,6 @@
+import { Meta } from '@storybook/addon-docs';
+import Test from './Test.md';
+
+<Meta title="Examples/Markdown in MDX" />
+
+<Test />
diff --git a/examples/react/stories/mdx-in-stories/Test.md b/examples/react/stories/mdx-in-stories/Test.md
new file mode 100644
index 00000000..ea049ec4
--- /dev/null
+++ b/examples/react/stories/mdx-in-stories/Test.md
@@ -0,0 +1,3 @@
+# Test File
+
+This is a test for Markdown in MDX.
diff --git a/packages/builder-vite/mdx-plugin.ts b/packages/builder-vite/mdx-plugin.ts
deleted file mode 100644
index e69de29b..00000000
diff --git a/packages/builder-vite/plugins/mdx-plugin.ts b/packages/builder-vite/plugins/mdx-plugin.ts
index 9e61a1a4..7a231fbc 100644
--- a/packages/builder-vite/plugins/mdx-plugin.ts
+++ b/packages/builder-vite/plugins/mdx-plugin.ts
@@ -50,7 +50,7 @@ export function mdxPlugin(options: Options): Plugin {
       reactRefresh = reactRefreshPlugins.find((p) => p.transform);
     },
     async transform(code, id, options) {
-      if (id.endsWith('.mdx')) {
+      if (id.match(/\.mdx?$/)) {
         // @ts-ignore
         const { compile } = features?.previewMdx2
           ? await import('@storybook/mdx2-csf')