diff --git a/packages/routers/src/index.ts b/packages/routers/src/index.ts
index a3973a45..c4f7b7c7 100644
--- a/packages/routers/src/index.ts
+++ b/packages/routers/src/index.ts
@@ -4,7 +4,7 @@
  * Abstraction layer over different content and peer routing mechanisms.
  */
 export { delegatedHTTPRouting } from './delegated-http-routing.js'
-export { delegatedHTTPRoutingDefaults } from './utils/delegated-http-routing-defaults'
+export { delegatedHTTPRoutingDefaults } from './utils/delegated-http-routing-defaults.js'
 export { httpGatewayRouting } from './http-gateway-routing.js'
 export type { HTTPGatwayRouterInit } from './http-gateway-routing.js'
 export { libp2pRouting } from './libp2p-routing.js'