peerconn.go | 2 +-

diff --git a/peerconn.go b/peerconn.go
index 23f2aa5e377e719d6f1be9b263a0bf82daaea12d..41b3f113f297e2c23d797f0b7e533003732a694a 100644
--- a/peerconn.go
+++ b/peerconn.go
@@ -1117,7 +1117,7 @@ 	cl := t.cl
 
 	decoder := pp.Decoder{
 		R:         bufio.NewReaderSize(c.r, 1<<17),
-		MaxLength: 256 * 1024,
+		MaxLength: 4 * pp.Integer(max(int64(t.chunkSize), defaultChunkSize)),
 		Pool:      &t.chunkPool,
 	}
 	for {