diff --git a/index.js b/index.js
index 69cfc09..c98cf52 100644
--- a/index.js
+++ b/index.js
@@ -28,7 +28,7 @@ function Client (peerId, port, torrent, opts) {
   // required
   self._peerId = Buffer.isBuffer(peerId)
     ? peerId
-    : new Buffer(torrent.peerId, 'utf8')
+    : new Buffer(peerId, 'utf8')
   self._port = port
   self._infoHash = Buffer.isBuffer(torrent.infoHash)
     ? torrent.infoHash