diff --git a/packages/api/src/beacon/routes/node.ts b/packages/api/src/beacon/routes/node.ts
index 9593c521b037..fbda45d3175a 100644
--- a/packages/api/src/beacon/routes/node.ts
+++ b/packages/api/src/beacon/routes/node.ts
@@ -130,7 +130,7 @@ export type Api = {
   ): Promise<
     ApiClientResponse<
       {[HttpStatusCode.OK]: void; [HttpStatusCode.PARTIAL_CONTENT]: void},
-      HttpStatusCode.SERVICE_UNAVAILABLE
+      HttpStatusCode.BAD_REQUEST | HttpStatusCode.SERVICE_UNAVAILABLE
     >
   >;
 };