diff --git a/libs/native-federation/README.md b/libs/native-federation/README.md
index 251a06f3..5327a07f 100644
--- a/libs/native-federation/README.md
+++ b/libs/native-federation/README.md
@@ -374,6 +374,7 @@ module.exports = withNativeFederation({
   shared: {
     ...shareAll({ singleton: true, strictVersion: true, requiredVersion: 'auto' }),
     ...shareAngularLocales(['en', 'de', 'fr']),
+    //...shareAngularLocales(['en', 'de', 'fr'], {legacy: true}), // ng19 or older
   }
 });
 ```
diff --git a/libs/native-federation/src/utils/angular-locales.ts b/libs/native-federation/src/utils/angular-locales.ts
index 1ebaf193..9824e9af 100644
--- a/libs/native-federation/src/utils/angular-locales.ts
+++ b/libs/native-federation/src/utils/angular-locales.ts
@@ -1,21 +1,25 @@
 import { share, SharedConfig } from '@softarc/native-federation/build';
 
 export function shareAngularLocales(
-  keys,
-  config: SharedConfig = {
-    singleton: true,
-    strictVersion: true,
-    requiredVersion: 'auto',
-  },
+  keys: string[],
+  opts: { config?: SharedConfig; legacy?: boolean } = {},
 ) {
+  if (!opts.config) {
+    opts.config = {
+      singleton: true,
+      strictVersion: true,
+      requiredVersion: 'auto',
+    };
+  }
+  const ext = opts.legacy ? '.mjs' : '.js';
   return keys.reduce((acc, key) => {
     acc[`@angular/common/locales/${key}`] = {
-      ...config,
-      packageInfo: config.packageInfo || {
-        ...config.packageInfo,
+      ...opts.config!,
+      packageInfo: opts.config.packageInfo || {
+        ...opts.config.packageInfo,
         entryPoint:
-          config.packageInfo?.entryPoint ||
-          `node_modules/@angular/common/locales/${key}.js`,
+          opts.config.packageInfo?.entryPoint ||
+          `node_modules/@angular/common/locales/${key}${ext}`,
       },
     };
     return share(acc);