diff --git a/test/app/middleware/site_file.test.js b/test/app/middleware/site_file.test.js
index 126edaa7a2..2ff8528732 100644
--- a/test/app/middleware/site_file.test.js
+++ b/test/app/middleware/site_file.test.js
@@ -14,16 +14,14 @@ describe('test/app/middleware/site_file.test.js', () => {
   it('should GET /favicon.ico 200', () => {
     return app.httpRequest()
       .get('/favicon.ico')
-      .expect('Content-Type', 'image/x-icon')
-      // .expect(res => console.log(res.headers))
+      .expect(res => assert(res.headers['content-type'].includes('icon')))
       .expect(200);
   });
 
   it('should GET /favicon.ico?t=123 200', () => {
     return app.httpRequest()
       .get('/favicon.ico?t=123')
-      .expect('Content-Type', 'image/x-icon')
-      // .expect(res => console.log(res.headers))
+      .expect(res => assert(res.headers['content-type'].includes('icon')))
       .expect(200);
   });