diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 5710f35ea8..1c337d280f 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -1037,12 +1037,9 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
 	switch {
 	case ctx.GlobalBool(TestnetFlag.Name):
 		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
-			cfg.NetworkId = 3
-		}
-		cfg.Genesis = core.DefaultTestnetGenesisBlock()
-		if cfg.NetworkId == 7919 {
-			cfg.Genesis = core.DefaultCallistoTestnetGenesisBlock()
+			cfg.NetworkId = 7919
 		}
+		cfg.Genesis = core.DefaultCallistoTestnetGenesisBlock()
 	case ctx.GlobalBool(RinkebyFlag.Name):
 		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
 			cfg.NetworkId = 4