diff --git a/src/internal/netfilter/nfqueue.go b/src/internal/netfilter/nfqueue.go
index bf7afd4..9668797 100644
--- a/src/internal/netfilter/nfqueue.go
+++ b/src/internal/netfilter/nfqueue.go
@@ -38,7 +38,7 @@ func (s *NfqueueServer) Start() error {
 		return fmt.Errorf("NfqueueServer.Handler is nil")
 	}
 	if s.MaxQueueLen <= 0 {
-		s.MaxQueueLen = 2000
+		s.MaxQueueLen = 4000
 	}
 	if s.MaxPacketLen <= 0 {
 		s.MaxPacketLen = 1600