diff --git a/lib/index.test.js b/lib/index.test.js
index c23928e..2ebb932 100644
--- a/lib/index.test.js
+++ b/lib/index.test.js
@@ -1,5 +1,6 @@
 process.env.BIFROST = 'true';
 process.env.PORT = '1234';
+process.env.BIFROST_SERVER = 'true';
 require('./index');
 const { createServer } = require('http');
 
@@ -9,7 +10,7 @@ describe('test suites', () => {
       res.write('data');
       res.end();
     });
-    s.listen(88);
+    s.listen(80);
     s.close(done);
   });
 });