diff --git a/src/app/api/media/[...path]/route.test.ts b/src/app/api/media/[...path]/route.test.ts
index c7c35dd2..3cad7457 100644
--- a/src/app/api/media/[...path]/route.test.ts
+++ b/src/app/api/media/[...path]/route.test.ts
@@ -5,12 +5,14 @@ import { GET } from "./route";
 
 vi.mock("node:fs", () => ({ existsSync: vi.fn() }));
 vi.mock("node:fs/promises", () => ({ readFile: vi.fn() }));
-vi.mock("@/lib/media-storage", () => ({
-	MEDIA_ROOT: "C:\\media",
-	resolveMediaPath: vi.fn(
-		(name: string) => `C:\\media\\${name.replaceAll("/", "\\")}`,
-	),
-}));
+vi.mock("@/lib/media-storage", async () => {
+	const path = await import("node:path");
+	const mediaRoot = path.resolve("media-fixture");
+	return {
+		MEDIA_ROOT: mediaRoot,
+		resolveMediaPath: vi.fn((name: string) => path.join(mediaRoot, name)),
+	};
+});
 
 describe("GET /api/media/[...path]", () => {
 	beforeEach(() => {