diff --git a/.changeset/red-bears-deliver.md b/.changeset/red-bears-deliver.md
new file mode 100644
index 000000000..ddb084798
--- /dev/null
+++ b/.changeset/red-bears-deliver.md
@@ -0,0 +1,6 @@
+---
+"@web/dev-server-storybook": patch
+"@web/dev-server": patch
+---
+
+fix: storybook import for windows
diff --git a/packages/dev-server-storybook/src/shared/config/readStorybookConfig.ts b/packages/dev-server-storybook/src/shared/config/readStorybookConfig.ts
index 1b24476cc..8187be293 100644
--- a/packages/dev-server-storybook/src/shared/config/readStorybookConfig.ts
+++ b/packages/dev-server-storybook/src/shared/config/readStorybookConfig.ts
@@ -1,5 +1,6 @@
 import path from 'path';
 import fs from 'fs';
+import { pathToFileURL } from 'url';
 
 import { StorybookPluginConfig } from './StorybookPluginConfig.js';
 import { createError } from '../utils.js';
@@ -70,7 +71,7 @@ export async function readStorybookConfig(
 
   const mainJs = commonJsMainExists
     ? validateMainJs((await import(commonJsMainPath)).default)
-    : validateMainJs((await import(mainJsPath)).default);
+    : validateMainJs((await import(pathToFileURL(mainJsPath).href)).default);
 
   return {
     mainJs,