diff --git a/lib/torrent.js b/lib/torrent.js
index b9dc705f..ccf77820 100644
--- a/lib/torrent.js
+++ b/lib/torrent.js
@@ -83,6 +83,7 @@ function Torrent (torrentId, opts) {
   this.done = false
 
   this._amInterested = false
+  this.pieces = []
   this._selections = []
   this._critical = []