diff --git a/libraries/net/include/graphene/net/config.hpp b/libraries/net/include/graphene/net/config.hpp
index d14bd825..ec1e805d 100644
--- a/libraries/net/include/graphene/net/config.hpp
+++ b/libraries/net/include/graphene/net/config.hpp
@@ -49,6 +49,9 @@
 
 #define GRAPHENE_NET_PEER_DISCONNECT_TIMEOUT                 20
 
+/* uncomment next line to use testnet seed ip and port */
+//#define GRAPHENE_TEST_NETWORK                                1
+
 #define GRAPHENE_NET_TEST_SEED_IP                            "104.236.44.210" // autogenerated
 #define GRAPHENE_NET_TEST_P2P_PORT                           1700
 #define GRAPHENE_NET_DEFAULT_P2P_PORT                        1776