diff --git a/lib/apiswagger.js b/lib/apiswagger.js
index de6b92c..a24c31a 100644
--- a/lib/apiswagger.js
+++ b/lib/apiswagger.js
@@ -476,7 +476,7 @@ module.exports = (app, client) => {
                 ])
             result.on('readable', () => res.write('['))
             pipeline.on('data', data => res.write(data.toString() + ','))
-            pipeline.on('finish', () => res.end(']'))
+            pipeline.on('end', () => res.end(']'))
             result.pipe(pipeline)
         } else {
             res.status(404).end()