diff --git a/udp/congestion/newreno/newreno.go b/udp/congestion/newreno/newreno.go
index 9ee1a8a..a3c0e89 100644
--- a/udp/congestion/newreno/newreno.go
+++ b/udp/congestion/newreno/newreno.go
@@ -11,7 +11,7 @@ import (
 )
 
 const RttExponentialFactor = 0.1
-const RttLossDelay = 1.5
+const RttLossDelay = 0.5
 
 type NewReno struct {
 	sequence          chan uint32