diff --git a/swarm/network/protocol.go b/swarm/network/protocol.go
index ad3f8df8f9..1b93401c9d 100644
--- a/swarm/network/protocol.go
+++ b/swarm/network/protocol.go
@@ -33,7 +33,7 @@ import (
 )
 
 const (
-	DefaultNetworkID = 3
+	DefaultNetworkID = 4
 	// timeout for waiting
 	bzzHandshakeTimeout = 3000 * time.Millisecond
 )