client.go | 9 +++------

diff --git a/client.go b/client.go
index 6201f3872ffce120e6ff06a711c8d5f41cc500b3..65259f493b95719b1c02850f31c626742c26ba45 100644
--- a/client.go
+++ b/client.go
@@ -1556,25 +1556,22 @@ // known, it will be set. The display name is replaced if the new spec
 // provides one. Returns new if the torrent wasn't already in the client.
 func (cl *Client) AddTorrentSpec(spec *TorrentSpec) (t *Torrent, new bool, err error) {
 	t, new = cl.AddTorrentInfoHash(spec.InfoHash)
-
 	if spec.DisplayName != "" {
 		t.SetDisplayName(spec.DisplayName)
 	}
-
 	if spec.Info != nil {
 		err = t.SetInfoBytes(spec.Info.Bytes)
 		if err != nil {
 			return
 		}
 	}
-
 	cl.mu.Lock()
 	defer cl.mu.Unlock()
-
+	if spec.ChunkSize != 0 {
+		t.chunkSize = pp.Integer(spec.ChunkSize)
+	}
 	t.addTrackers(spec.Trackers)
-
 	t.maybeNewConns()
-
 	return
 }