diff --git a/lib/modules/datasource/npm/index.ts b/lib/modules/datasource/npm/index.ts
index 65a4df8c1b8d7a..6fa2e1272be4d5 100644
--- a/lib/modules/datasource/npm/index.ts
+++ b/lib/modules/datasource/npm/index.ts
@@ -1,6 +1,7 @@
 import * as npmVersioning from '../../versioning/npm';
 import { Datasource } from '../datasource';
 import type { GetReleasesConfig, ReleaseResult } from '../types';
+import { defaultRegistryUrls as npmDefaultRegistryUrl } from './common';
 import { getDependency } from './get';
 
 export { setNpmrc } from './npmrc';
@@ -14,6 +15,8 @@ export class NpmDatasource extends Datasource {
 
   override readonly defaultVersioning = npmVersioning.id;
 
+  override readonly defaultRegistryUrls = npmDefaultRegistryUrl;
+
   override readonly releaseTimestampSupport = true;
   override readonly releaseTimestampNote =
     'The release timestamp is determined from the `time` field in the results.';