diff --git a/src/cron/isolated-agent/delivery-dispatch.double-announce.test.ts b/src/cron/isolated-agent/delivery-dispatch.double-announce.test.ts
index fd80a30e531..c4ed57ee843 100644
--- a/src/cron/isolated-agent/delivery-dispatch.double-announce.test.ts
+++ b/src/cron/isolated-agent/delivery-dispatch.double-announce.test.ts
@@ -401,7 +401,7 @@ describe("dispatchCronDelivery — double-announce guard", () => {
     vi.mocked(isLikelyInterimCronMessage).mockReturnValue(false);
 
     const params = makeBaseParams({ synthesizedText: SILENT_REPLY_TOKEN });
-    params.job.deleteAfterRun = true;
+    (params.job as { deleteAfterRun?: boolean }).deleteAfterRun = true;
 
     const state = await dispatchCronDelivery(params);