diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 374566e588..5710f35ea8 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -1040,6 +1040,9 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
 			cfg.NetworkId = 3
 		}
 		cfg.Genesis = core.DefaultTestnetGenesisBlock()
+		if cfg.NetworkId == 7919 {
+			cfg.Genesis = core.DefaultCallistoTestnetGenesisBlock()
+		}
 	case ctx.GlobalBool(RinkebyFlag.Name):
 		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
 			cfg.NetworkId = 4
diff --git a/params/config.go b/params/config.go
index 82210b6975..fe3b3ff938 100644
--- a/params/config.go
+++ b/params/config.go
@@ -59,6 +59,25 @@ var (
 		Ethash: new(EthashConfig),
 	}
 
+	// CallistoTestnetChainConfig contains the chain parameters to run a node on the Ropsten test network.
+	CallistoTestnetChainConfig = &ChainConfig{
+		ChainId:        big.NewInt(7919),
+		HomesteadBlock: big.NewInt(0),
+		DAOForkBlock:   big.NewInt(0),
+		DAOForkSupport: false,
+		EIP150Block:    big.NewInt(0),
+		EIP150Hash:     common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"),
+		EIP155Block:    big.NewInt(3),
+		EIP158Block:    big.NewInt(0),
+		ByzantiumBlock: big.NewInt(4),
+		CallistoBlock:  big.NewInt(1),
+
+		Clique: &CliqueConfig{
+			Period: 15,
+			Epoch:  30000,
+		},
+	}
+
 	// RinkebyChainConfig contains the chain parameters to run a node on the Rinkeby test network.
 	RinkebyChainConfig = &ChainConfig{
 		ChainId:        big.NewInt(4),