peerconn.go | 3 +++

diff --git a/peerconn.go b/peerconn.go
index 91ef37e601f27bf37a51b886f1658b88eb4f5d6f..c85135dc2c6a6a901eade4e0f0723e7c82ee25a8 100644
--- a/peerconn.go
+++ b/peerconn.go
@@ -984,6 +984,9 @@ // If this is maintained correctly, we might be able to support optional synchronous reading for
 // chunk sending, the way it used to work.
 func (c *PeerConn) peerRequestDataReadFailed(err error, r Request) {
 	c.logger.WithDefaultLevel(log.Warning).Printf("error reading chunk for peer Request %v: %v", r, err)
+	if c.t.closed.IsSet() {
+		return
+	}
 	i := pieceIndex(r.Index)
 	if c.t.pieceComplete(i) {
 		// There used to be more code here that just duplicated the following break. Piece