diff --git a/apps/desktop-client/src/main/adapters/deepseek.test.ts b/apps/desktop-client/src/main/adapters/deepseek.test.ts
index 1ff115f..c0cc349 100644
--- a/apps/desktop-client/src/main/adapters/deepseek.test.ts
+++ b/apps/desktop-client/src/main/adapters/deepseek.test.ts
@@ -1,4 +1,10 @@
-import { describe, expect, it } from "vitest";
+import { describe, expect, it, vi } from "vitest";
+
+vi.mock("electron/main", () => ({
+  ipcMain: {
+    on: vi.fn(),
+  },
+}));
 
 import { __deepseekTestUtils } from "./deepseek";
 import { getMonitorAdapter } from "./index";