diff --git a/hdwallet.go b/hdwallet.go
index 0e73384..66684ba 100644
--- a/hdwallet.go
+++ b/hdwallet.go
@@ -230,7 +230,7 @@ func (w *Wallet) SignHash(account accounts.Account, hash []byte) ([]byte, error)
 }
 
 // SignTxEIP155 implements accounts.Wallet, which allows the account to sign an ERC-20 transaction.
-func (w *Wallet) SignTxEIP155(account accounts.Account, tx *types.Transaction, chainID *big.Int) (*types.Transaction, error) {
+func (w *Wallet) SignTxEIP155(account accounts.Account, tx *types.Transaction, baseFee, chainID *big.Int) (*types.Transaction, error) {
 	w.stateLock.RLock() // Comms have own mutex, this is for the state fields
 	defer w.stateLock.RUnlock()
 
@@ -251,7 +251,7 @@ func (w *Wallet) SignTxEIP155(account accounts.Account, tx *types.Transaction, c
 		return nil, err
 	}
 
-	msg, err := signedTx.AsMessage(types.NewEIP155Signer(chainID))
+	msg, err := signedTx.AsMessage(types.NewEIP155Signer(chainID), baseFee)
 	if err != nil {
 		return nil, err
 	}
@@ -265,7 +265,7 @@ func (w *Wallet) SignTxEIP155(account accounts.Account, tx *types.Transaction, c
 }
 
 // SignTx implements accounts.Wallet, which allows the account to sign an Ethereum transaction.
-func (w *Wallet) SignTx(account accounts.Account, tx *types.Transaction, chainID *big.Int) (*types.Transaction, error) {
+func (w *Wallet) SignTx(account accounts.Account, tx *types.Transaction, baseFee, chainID *big.Int) (*types.Transaction, error) {
 	w.stateLock.RLock() // Comms have own mutex, this is for the state fields
 	defer w.stateLock.RUnlock()
 
@@ -286,7 +286,7 @@ func (w *Wallet) SignTx(account accounts.Account, tx *types.Transaction, chainID
 		return nil, err
 	}
 
-	msg, err := signedTx.AsMessage(types.HomesteadSigner{})
+	msg, err := signedTx.AsMessage(types.HomesteadSigner{}, baseFee)
 	if err != nil {
 		return nil, err
 	}
@@ -308,8 +308,8 @@ func (w *Wallet) SignHashWithPassphrase(account accounts.Account, passphrase str
 
 // SignTxWithPassphrase implements accounts.Wallet, attempting to sign the given
 // transaction with the given account using passphrase as extra authentication.
-func (w *Wallet) SignTxWithPassphrase(account accounts.Account, passphrase string, tx *types.Transaction, chainID *big.Int) (*types.Transaction, error) {
-	return w.SignTx(account, tx, chainID)
+func (w *Wallet) SignTxWithPassphrase(account accounts.Account, passphrase string, tx *types.Transaction, baseFee, chainID *big.Int) (*types.Transaction, error) {
+	return w.SignTx(account, tx, baseFee, chainID)
 }
 
 // PrivateKey returns the ECDSA private key of the account.
diff --git a/hdwallet_test.go b/hdwallet_test.go
index b98de59..73674a2 100644
--- a/hdwallet_test.go
+++ b/hdwallet_test.go
@@ -163,7 +163,7 @@ func TestWallet(t *testing.T) {
 
 	tx := types.NewTransaction(nonce, toAddress, value, gasLimit, gasPrice, data)
 
-	signedTx, err := wallet.SignTx(account, tx, nil)
+	signedTx, err := wallet.SignTx(account, tx, nil, nil)
 	if err != nil {
 		t.Error(err)
 	}
@@ -179,7 +179,7 @@ func TestWallet(t *testing.T) {
 		t.Error("expected s value")
 	}
 
-	signedTx2, err := wallet.SignTxWithPassphrase(account, "", tx, nil)
+	signedTx2, err := wallet.SignTxWithPassphrase(account, "", tx, nil, nil)
 	if err != nil {
 		t.Error(err)
 	}
@@ -187,7 +187,7 @@ func TestWallet(t *testing.T) {
 		t.Error("expected match")
 	}
 
-	signedTx3, err := wallet.SignTxEIP155(account, tx, big.NewInt(42))
+	signedTx3, err := wallet.SignTxEIP155(account, tx, big.NewInt(41), big.NewInt(42))
 	if err != nil {
 		t.Error(err)
 	}