diff --git a/lib/apiswagger.js b/lib/apiswagger.js
index dcee05c..dcb9bbe 100644
--- a/lib/apiswagger.js
+++ b/lib/apiswagger.js
@@ -473,12 +473,12 @@ module.exports = (app, client) => {
                     parser(),
                     pick({ filter: 'hits.hits' }),
                     streamArray(),
-                    data => ({ instance: data.value._source.instance, comment: data.value._source.blocks.find(block => block.domain === clean(req.params.instance)).comment }),
-                    stringer()
+                    data => ({ instance: data.value._source.instance, comment: data.value._source.blocks.find(block => block.domain === clean(req.params.instance)).comment })
                 ])
-            res.once('data', data => '[' + data.toString())
-            res.on('finish', () => res.end(']'))
-            result.pipe(pipeline).pipe(res)
+            result.on('readable', () => res.write('['))
+            pipeline.on('data', data => res.write(data.toString() + ','))
+            pipeline.on('finish', () => res.end(']'))
+            result.pipe(pipeline)
         } else {
             res.status(404).end()
         }