diff --git a/src/auto-reply/reply.directive.test.ts b/src/auto-reply/reply.directive.test.ts
index c01294df9..ede14b6df 100644
--- a/src/auto-reply/reply.directive.test.ts
+++ b/src/auto-reply/reply.directive.test.ts
@@ -6,6 +6,7 @@ import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 
 vi.mock("../agents/pi-embedded.js", () => ({
   runEmbeddedPiAgent: vi.fn(),
+  queueEmbeddedPiMessage: vi.fn().mockReturnValue(false),
 }));
 
 import { runEmbeddedPiAgent } from "../agents/pi-embedded.js";
diff --git a/src/auto-reply/reply.triggers.test.ts b/src/auto-reply/reply.triggers.test.ts
index 174984aa5..d754301d8 100644
--- a/src/auto-reply/reply.triggers.test.ts
+++ b/src/auto-reply/reply.triggers.test.ts
@@ -5,6 +5,7 @@ import { afterEach, describe, expect, it, vi } from "vitest";
 
 vi.mock("../agents/pi-embedded.js", () => ({
   runEmbeddedPiAgent: vi.fn(),
+  queueEmbeddedPiMessage: vi.fn().mockReturnValue(false),
 }));
 
 import { runEmbeddedPiAgent } from "../agents/pi-embedded.js";
diff --git a/src/web/auto-reply.test.ts b/src/web/auto-reply.test.ts
index e29f79963..e98e7f73d 100644
--- a/src/web/auto-reply.test.ts
+++ b/src/web/auto-reply.test.ts
@@ -8,6 +8,7 @@ import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 
 vi.mock("../agents/pi-embedded.js", () => ({
   runEmbeddedPiAgent: vi.fn(),
+  queueEmbeddedPiMessage: vi.fn().mockReturnValue(false),
 }));
 
 import { runEmbeddedPiAgent } from "../agents/pi-embedded.js";