diff --git a/lib/http/server.js b/lib/http/server.js
index 48c60fac..889cc872 100644
--- a/lib/http/server.js
+++ b/lib/http/server.js
@@ -615,7 +615,7 @@ HTTPServer.prototype._init = function _init() {
     }
 
     if (!array) {
-      res.send(200, out[0]);
+      res.send(200, JSON.stringify(out[0]), 'json');
       return;
     }