diff --git a/crypto/signature_nocgo.go b/crypto/signature_nocgo.go
index f45a6202dc..f636b23772 100644
--- a/crypto/signature_nocgo.go
+++ b/crypto/signature_nocgo.go
@@ -88,7 +88,7 @@ func VerifySignature(pubkey, hash, signature []byte) bool {
 		return false
 	}
 	// Reject malleable signatures. libsecp256k1 does this check but btcec doesn't.
-	if s.Cmp(secp256k1_halfN) > 0 {
+	if sig.S.Cmp(secp256k1_halfN) > 0 {
 		return false
 	}
 	return sig.Verify(hash, key)