diff --git a/server.js b/server.js
index eab842cd..a87f1b4e 100644
--- a/server.js
+++ b/server.js
@@ -48,7 +48,7 @@ app.use(
 // Middleware
 
 // CORS
-app.use(require('cors'))
+app.use(require('cors')())
 // Parse URL-encoded bodies (as sent by HTML forms)
 app.use(
   express.urlencoded({