diff --git a/server/tests/routes/auth.test.js b/server/tests/routes/auth.test.js
index 94c0b9c..96d1270 100644
--- a/server/tests/routes/auth.test.js
+++ b/server/tests/routes/auth.test.js
@@ -37,6 +37,7 @@ describe('Auth Routes', () => {
 
       const response = await request(app)
         .post('/auth/login')
+        .set('x-tenant-id', 'test-tenant') // Set tenant via header for test
         .send({
           username: 'testuser',
           password: 'password'