From c28d792a8a986b92fc88901b9193433f08732961 Mon Sep 17 00:00:00 2001
From: Feross Aboukhadijeh <feross@feross.org>
Date: Thu, 27 Mar 2014 23:36:04 -0700
Subject: [PATCH] expect metadata to be a Buffer

---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 4000fa4..4c96881 100644
--- a/index.js
+++ b/index.js
@@ -25,7 +25,7 @@ module.exports = function (metadata) {
     this._fetching = false
     this._bitfield = new BitField(0)
 
-    if (metadata) {
+    if (Buffer.isBuffer(metadata)) {
       this._gotMetadata(metadata)
     }
   }