diff --git a/apps/desktop/tests/main-startup.spec.ts b/apps/desktop/tests/main-startup.spec.ts
index 8b6f69bf1e..93f7abb0b8 100644
--- a/apps/desktop/tests/main-startup.spec.ts
+++ b/apps/desktop/tests/main-startup.spec.ts
@@ -118,7 +118,7 @@ const harness = await vi.hoisted(async () => {
     whenReady: () => Promise.resolve(),
     getLocale: (): string => 'en-US',
     getVersion: () => '1.0.0',
-    getAppPath: () => 'desktop-test-app',
+    getAppPath: (): string => 'desktop-test-app',
     setAboutPanelOptions: vi.fn<(options: Electron.AboutPanelOptionsOptions) => void>(),
     requestSingleInstanceLock: () => true,
     exit: vi.fn(),