diff --git a/backend/src/routes/teachers.ts b/backend/src/routes/teachers.ts
index 801eaee8..44d3064b 100644
--- a/backend/src/routes/teachers.ts
+++ b/backend/src/routes/teachers.ts
@@ -34,6 +34,6 @@ router.get('/:username/joinRequests/:classId', getStudentJoinRequestHandler);
 router.put('/:username/joinRequests/:classId/:studentUsername', updateStudentJoinRequestHandler);
 
 // Invitations to other classes a teacher received
-router.get('/invitations', invitationRouter);
+router.use('/invitations', invitationRouter);
 
 export default router;