diff --git a/src/i18n.ts b/src/i18n.ts
index 6410fe8..10fd8f4 100644
--- a/src/i18n.ts
+++ b/src/i18n.ts
@@ -1,12 +1,10 @@
+import {notFound} from 'next/navigation';
 import {getRequestConfig} from 'next-intl/server';
  
-export const locales = ['en'];
-export const defaultLocale = 'en';
-
+const locales = ['en'];
+ 
 export default getRequestConfig(async ({locale}) => {
-  if (!locales.includes(locale as any)) {
-    locale = defaultLocale;
-  }
+  if (!locales.includes(locale as any)) notFound();
  
   return {
     messages: (await import(`../messages/${locale}.json`)).default
diff --git a/src/middleware.ts b/src/middleware.ts
index 093eaab..697c130 100644
--- a/src/middleware.ts
+++ b/src/middleware.ts
@@ -6,5 +6,6 @@ export default createMiddleware({
 });
  
 export const config = {
-  matcher: ['/((?!api|_next|_vercel|.*\\..*).*)']
+  // Match only internationalized pathnames
+  matcher: ['/', '/(en)/:path*']
 };
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