diff --git a/gost.go b/gost.go
index 6b9a947..2c9cd23 100644
--- a/gost.go
+++ b/gost.go
@@ -70,7 +70,7 @@ var (
 	PingRetries = 1
 	// default udp node TTL in second for udp port forwarding.
 	defaultTTL       = 60 * time.Second
-	defaultBacklog   = 128
+	defaultBacklog   = 1024
 	defaultQueueSize = 1024
 )