diff --git a/swarm/network/protocol_test.go b/swarm/network/protocol_test.go
index 2578430292..3ef32a7089 100644
--- a/swarm/network/protocol_test.go
+++ b/swarm/network/protocol_test.go
@@ -31,7 +31,7 @@ import (
 )
 
 const (
-	TestProtocolVersion   = 6
+	TestProtocolVersion   = 5
 	TestProtocolNetworkID = 3
 )