diff --git a/lib/tun2/server.go b/lib/tun2/server.go
index 8706ddc..a43ca63 100644
--- a/lib/tun2/server.go
+++ b/lib/tun2/server.go
@@ -157,7 +157,7 @@ func (s *Server) ListenAndServe() error {
 
 	go func() {
 		for {
-			time.Sleep(5 * time.Second)
+			time.Sleep(time.Second)
 
 			now := time.Now()