diff --git a/core/verkle_witness_test.go b/core/verkle_witness_test.go
index ca0c928c3c3..9495e325ca9 100644
--- a/core/verkle_witness_test.go
+++ b/core/verkle_witness_test.go
@@ -455,7 +455,7 @@ func verkleTestGenesis(config *params.ChainConfig) *Genesis {
 func TestProcessVerkleContractWithEmptyCode(t *testing.T) {
 	// The test txs were taken from a secondary testnet with chain id 69421
 	config := *testKaustinenLikeChainConfig
-	config.ChainID.SetUint64(69421)
+	config.ChainID = new(big.Int).SetUint64(69421)
 	gspec := verkleTestGenesis(&config)
 
 	genesisH, _, _, _, _, statediffs := GenerateVerkleChainWithGenesis(gspec, beacon.New(ethash.NewFaker()), 1, func(i int, gen *BlockGen) {
@@ -511,7 +511,7 @@ func TestProcessVerkleContractWithEmptyCode(t *testing.T) {
 func TestProcessVerkleExtCodeHashOpcode(t *testing.T) {
 	// The test txs were taken from a secondary testnet with chain id 69421
 	config := *testKaustinenLikeChainConfig
-	config.ChainID.SetUint64(69421)
+	config.ChainID = new(big.Int).SetUint64(69421)
 
 	var (
 		signer     = types.LatestSigner(&config)
@@ -615,7 +615,7 @@ func TestProcessVerkleExtCodeHashOpcode(t *testing.T) {
 func TestProcessVerkleBalanceOpcode(t *testing.T) {
 	// The test txs were taken from a secondary testnet with chain id 69421
 	config := *testKaustinenLikeChainConfig
-	config.ChainID.SetUint64(69421)
+	config.ChainID = new(big.Int).SetUint64(69421)
 
 	var (
 		signer     = types.LatestSigner(&config)
@@ -672,7 +672,7 @@ func TestProcessVerkleBalanceOpcode(t *testing.T) {
 func TestProcessVerkleSelfDestructInSeparateTx(t *testing.T) {
 	// The test txs were taken from a secondary testnet with chain id 69421
 	config := *testKaustinenLikeChainConfig
-	config.ChainID.SetUint64(69421)
+	config.ChainID = new(big.Int).SetUint64(69421)
 
 	var (
 		signer     = types.LatestSigner(&config)
@@ -792,7 +792,7 @@ func TestProcessVerkleSelfDestructInSeparateTx(t *testing.T) {
 func TestProcessVerkleSelfDestructInSameTx(t *testing.T) {
 	// The test txs were taken from a secondary testnet with chain id 69421
 	config := *testKaustinenLikeChainConfig
-	config.ChainID.SetUint64(69421)
+	config.ChainID = new(big.Int).SetUint64(69421)
 
 	var (
 		signer     = types.LatestSigner(&config)
@@ -888,7 +888,7 @@ func TestProcessVerkleSelfDestructInSameTx(t *testing.T) {
 func TestProcessVerkleSelfDestructInSeparateTxWithSelfBeneficiary(t *testing.T) {
 	// The test txs were taken from a secondary testnet with chain id 69421
 	config := *testKaustinenLikeChainConfig
-	config.ChainID.SetUint64(69421)
+	config.ChainID = new(big.Int).SetUint64(69421)
 
 	var (
 		signer     = types.LatestSigner(&config)
@@ -978,7 +978,7 @@ func TestProcessVerkleSelfDestructInSeparateTxWithSelfBeneficiary(t *testing.T)
 func TestProcessVerkleSelfDestructInSameTxWithSelfBeneficiary(t *testing.T) {
 	// The test txs were taken from a secondary testnet with chain id 69421
 	config := *testKaustinenLikeChainConfig
-	config.ChainID.SetUint64(69421)
+	config.ChainID = new(big.Int).SetUint64(69421)
 
 	var (
 		signer     = types.LatestSigner(&config)
@@ -1042,7 +1042,7 @@ func TestProcessVerkleSelfDestructInSameTxWithSelfBeneficiary(t *testing.T) {
 func TestProcessVerkleSelfDestructInSameTxWithSelfBeneficiaryAndPrefundedAccount(t *testing.T) {
 	// The test txs were taken from a secondary testnet with chain id 69421
 	config := *testKaustinenLikeChainConfig
-	config.ChainID.SetUint64(69421)
+	config.ChainID = new(big.Int).SetUint64(69421)
 
 	var (
 		signer     = types.LatestSigner(&config)