diff --git a/packages/storybook/src/plugins/react-docgen.ts b/packages/storybook/src/plugins/react-docgen.ts
index c37e30dd6e9e..4dfcdc83c414 100644
--- a/packages/storybook/src/plugins/react-docgen.ts
+++ b/packages/storybook/src/plugins/react-docgen.ts
@@ -28,7 +28,7 @@ type Options = {
 }
 
 export function reactDocgen({
-  include = /\.(mjs|tsx?|jsx?)$/,
+  include = /\.(tsx?|jsx?)$/,
   exclude = [/node_modules\/.*/],
 }: Options = {}): PluginOption {
   const cwd = process.cwd()
diff --git a/packages/storybook/src/preset.ts b/packages/storybook/src/preset.ts
index f239f91b5bb4..3676c5de0b54 100644
--- a/packages/storybook/src/preset.ts
+++ b/packages/storybook/src/preset.ts
@@ -31,11 +31,7 @@ export const viteFinal: StorybookConfig['viteFinal'] = async (config) => {
   const { plugins = [] } = config
 
   // Needs to run before the react plugin, so add to the front
-  plugins.unshift(
-    reactDocgen({
-      include: /\.(mjs|tsx?|jsx?)$/,
-    }),
-  )
+  plugins.unshift(reactDocgen())
 
   return mergeConfig(config, {
     // This is necessary as it otherwise just points to the `web` directory,