torrent.go | 2 +-

diff --git a/torrent.go b/torrent.go
index 79a3ecb65ddd7a3064ad5b244eb5f72d48da5a86..d047be4ed44c1a925699ac6f61e3a3dec7e623fe 100644
--- a/torrent.go
+++ b/torrent.go
@@ -908,7 +908,7 @@ 	return
 }
 
 func (t *Torrent) haveAnyPieces() bool {
-	return t._completedPieces.GetCardinality() != 0
+	return !t._completedPieces.IsEmpty()
 }
 
 func (t *Torrent) haveAllPieces() bool {