diff --git a/server/middleware/content-negotiation.spec.js b/server/middleware/content-negotiation.spec.js
index 018330434..80b9e515d 100644
--- a/server/middleware/content-negotiation.spec.js
+++ b/server/middleware/content-negotiation.spec.js
@@ -1,4 +1,4 @@
-const contentNegotiationMiddleware = require('./content-negotiation.js');
+import contentNegotiationMiddleware from './content-negotiation.js';
 
 describe('content-negotiation-middleware', ()=>{
 	let request;