diff --git a/packages/api/src/beacon/routes/beacon/pool.ts b/packages/api/src/beacon/routes/beacon/pool.ts
index 388c98fb36d1..2f4ffcbb1c67 100644
--- a/packages/api/src/beacon/routes/beacon/pool.ts
+++ b/packages/api/src/beacon/routes/beacon/pool.ts
@@ -183,7 +183,7 @@ export type Endpoints = {
    */
   submitPoolAttesterSlashingsV2: Endpoint<
     "POST",
-    {attesterSlashing: phase0.AttesterSlashing | electra.AttesterSlashing},
+    {attesterSlashing: AttesterSlashing},
     {body: unknown; headers: {[MetaHeader.Version]: string}},
     EmptyResponseData,
     EmptyMeta