diff --git a/core/types/transaction_signing.go b/core/types/transaction_signing.go
index ee3f363eaa..70dee0776e 100644
--- a/core/types/transaction_signing.go
+++ b/core/types/transaction_signing.go
@@ -107,8 +107,7 @@ func SignTx(tx *Transaction, s Signer, prv *ecdsa.PrivateKey) (*Transaction, err
 
 // SignNewTx creates a transaction and signs it.
 func SignNewTx(prv *ecdsa.PrivateKey, s Signer, txdata TxData) (*Transaction, error) {
-	tx := NewTx(txdata)
-	return SignTx(tx, s, prv)
+	return SignTx(NewTx(txdata), s, prv)
 }
 
 // MustSignNewTx creates a transaction and signs it.