diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 5e96185dbd..94c6ce9e34 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -1865,6 +1865,7 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 			cfg.Miner.GasPrice = big.NewInt(1)
 		}
 	default:
+		cfg.Genesis = core.DefaultGenesisBlock()
 		if cfg.NetworkId == 1 {
 			SetDNSDiscoveryDefaults(cfg, params.MainnetGenesisHash)
 		}