diff --git a/server/tests/feeds/feeds.ts b/server/tests/feeds/feeds.ts
index a18abc040..1d3c03d67 100644
--- a/server/tests/feeds/feeds.ts
+++ b/server/tests/feeds/feeds.ts
@@ -20,6 +20,8 @@ chai.use(require('chai-xml'))
 chai.use(require('chai-json-schema'))
 chai.config.includeStack = true
 
+const expect = chai.expect
+
 describe('Test syndication feeds', () => {
   let servers: PeerTubeServer[] = []
   let serverHLSOnly: PeerTubeServer