diff --git a/routes/universe.js b/routes/universe.js
index 776573c..af9da57 100644
--- a/routes/universe.js
+++ b/routes/universe.js
@@ -132,7 +132,7 @@ function send_s3_list(req, res){
     throw createError(400, "Only list-type=2 is supported");
   }
   if(req.query['delimiter']){
-    throw createError(400, "delimiter parameter not supported");
+    //throw createError(400, "delimiter parameter not supported");
   }
   var universe = res.locals.universe;
   var start_after = req.query['start-after'] || req.query['continuation-token'];