diff --git a/tests/setup.ts b/tests/setup.ts
index b79204b..43a10cd 100644
--- a/tests/setup.ts
+++ b/tests/setup.ts
@@ -9,7 +9,10 @@ vi.mock('@mdxeditor/editor', () => import('./mocks/mdxeditor'));
 
 afterEach(() => {
     cleanup();
-    localStorage.clear();
+    const storage = globalThis.window?.localStorage ?? globalThis.localStorage;
+    if (typeof storage?.clear === 'function') {
+        storage.clear();
+    }
     vi.restoreAllMocks();
     vi.useRealTimers();
 });