torrent.go | 2 +-

diff --git a/torrent.go b/torrent.go
index 589bff887ba6b9406cbe6e58e00295365e67e33f..6e726a6eceb57dff784b836098906ad02d45ffd8 100644
--- a/torrent.go
+++ b/torrent.go
@@ -276,8 +276,8 @@ 	if t.data != nil {
 		t.data.Close()
 	}
 	t.data = td
-	t.completedPieces.Clear()
 	for i := range t.Pieces {
+		t.updatePieceCompletion(i)
 		t.Pieces[i].QueuedForHash = true
 	}
 	go func() {