diff --git a/params/config_kotti.go b/params/config_kotti.go
index 2679a8c24a3d..a7098798f9fc 100644
--- a/params/config_kotti.go
+++ b/params/config_kotti.go
@@ -34,8 +34,8 @@ var (
 		EIP150Block:         big.NewInt(0),
 		EIP150Hash:          common.HexToHash("0x14c2283285a88fe5fce9bf5c573ab03d6616695d717b12a127188bcacfc743c4"),
 		EIP155Block:         big.NewInt(0),
-		EIP158Block:         nil,
-		ByzantiumBlock:      nil,
+		EIP158Block:         big.NewInt(716617),
+		ByzantiumBlock:      big.NewInt(716617),
 		DisposalBlock:       big.NewInt(0),
 		SocialBlock:         nil,
 		EthersocialBlock:    nil,