diff --git a/apps/api/tests/lib/pushCoalescer.test.ts b/apps/api/tests/lib/pushCoalescer.test.ts
index dbee525..15276a1 100644
--- a/apps/api/tests/lib/pushCoalescer.test.ts
+++ b/apps/api/tests/lib/pushCoalescer.test.ts
@@ -40,6 +40,7 @@ describe('pushCoalescer — list-change burst coalescing (D-01)', () => {
     expect(dispatch).toHaveBeenCalledTimes(1)
     const [calledListId, calledActorId, calledCount] = dispatch.mock.calls[0]
     expect(calledListId).toBe(listId)
+    expect(calledActorId).toBe(actorId)
     expect(calledCount).toBe(N)
   })