diff --git a/src/apis/notice/controller.ts b/src/apis/notice/controller.ts
index 851755c6..009145f4 100644
--- a/src/apis/notice/controller.ts
+++ b/src/apis/notice/controller.ts
@@ -6,7 +6,7 @@ router.get('/', async (req: Request, res: Response) => {
   try {
     const major = req.query.major as string;
     let notices;
-    if (major === undefined) {
+    if (major === 'undefined') {
       notices = await getSchoolNotices();
     } else {
       notices = await getNotices(major);