diff --git a/op-program/client/l2/engineapi/precompiles.go b/op-program/client/l2/engineapi/precompiles.go
index fa925d4bc38..845d2e0dc6e 100644
--- a/op-program/client/l2/engineapi/precompiles.go
+++ b/op-program/client/l2/engineapi/precompiles.go
@@ -29,6 +29,7 @@ import (
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/bitutil"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/crypto/kzg4844"
@@ -175,7 +176,7 @@ func (c *ecrecoverOracle) Run(input []byte) ([]byte, error) {
 	v := input[63] - 27
 
 	// tighter sig s values input homestead only apply to tx sigs
-	if !allZero(input[32:63]) || !crypto.ValidateSignatureValues(v, r, s, false) {
+	if bitutil.TestBytes(input[32:63]) || !crypto.ValidateSignatureValues(v, r, s, false) {
 		return nil, nil
 	}
 
@@ -187,15 +188,6 @@ func (c *ecrecoverOracle) Run(input []byte) ([]byte, error) {
 	return result, nil
 }
 
-func allZero(b []byte) bool {
-	for _, byte := range b {
-		if byte != 0 {
-			return false
-		}
-	}
-	return true
-}
-
 type bn256PairingOracle struct {
 	Orig   vm.PrecompiledContract
 	Oracle PrecompileOracle