diff --git a/p256k/btcec/btcec.go b/p256k/btcec/btcec.go
index 989da47..0cdfc92 100644
--- a/p256k/btcec/btcec.go
+++ b/p256k/btcec/btcec.go
@@ -21,7 +21,7 @@ type Signer struct {
 var _ signer.I = &Signer{}
 
 // Generate creates a new Signer.
-func (s *Signer) Generate() (err error) {
+func (s *Signer) Generate(nobtcec ...bool) (err error) {
 	if s.SecretKey, err = ec.NewSecretKey(); chk.E(err) {
 		return
 	}
@@ -33,7 +33,7 @@ func (s *Signer) Generate() (err error) {
 }
 
 // InitSec initialises a Signer using raw secret key bytes.
-func (s *Signer) InitSec(sec []byte) (err error) {
+func (s *Signer) InitSec(sec []byte, nobtcec ...bool) (err error) {
 	if len(sec) != secp256k1.SecKeyBytesLen {
 		err = errorf.E("sec key must be %d bytes", secp256k1.SecKeyBytesLen)
 		return
diff --git a/p256k/p256k.go b/p256k/p256k.go
index 6e576b2..e37e281 100644
--- a/p256k/p256k.go
+++ b/p256k/p256k.go
@@ -44,7 +44,8 @@ func (s *Signer) Generate(nobtcec ...bool) (err error) {
 	}
 	s.SecretKey = &cs.Key
 	s.PublicKey = cx.Key
-	if len(nobtcec) > 0 && nobtcec[0] == false {
+	if len(nobtcec) > 0 && nobtcec[0] != true {
+	} else {
 		s.BTCECSec, _ = btcec.PrivKeyFromBytes(s.skb)
 	}
 	return
@@ -65,7 +66,8 @@ func (s *Signer) InitSec(skb []byte, nobtcec ...bool) (err error) {
 	s.PublicKey = cx.Key
 	// s.ECPublicKey = cp.Key
 	// needed for ecdh
-	if len(nobtcec) > 0 && nobtcec[0] == false {
+	if len(nobtcec) > 0 && nobtcec[0] != true {
+	} else {
 		s.BTCECSec, _ = btcec.PrivKeyFromBytes(s.skb)
 	}
 	return