diff --git a/waku/v2/node/wakunode2.go b/waku/v2/node/wakunode2.go
index 3771f723..cecfef35 100644
--- a/waku/v2/node/wakunode2.go
+++ b/waku/v2/node/wakunode2.go
@@ -88,7 +88,7 @@ func New(ctx context.Context, opts ...WakuNodeOption) (*WakuNode, error) {
 	}
 
 	if params.privKey != nil {
-		params.libP2POpts = append(params.libP2POpts, libp2p.Identity(*params.privKey))
+		params.libP2POpts = append(params.libP2POpts, params.Identity())
 	}
 
 	if params.addressFactory != nil {
diff --git a/waku/v2/node/wakuoptions.go b/waku/v2/node/wakuoptions.go
index 1342af00..8f1ff76c 100644
--- a/waku/v2/node/wakuoptions.go
+++ b/waku/v2/node/wakuoptions.go
@@ -10,6 +10,7 @@ import (
 	connmgr "github.com/libp2p/go-libp2p-connmgr"
 	"github.com/libp2p/go-libp2p-core/crypto"
 	pubsub "github.com/libp2p/go-libp2p-pubsub"
+	"github.com/libp2p/go-libp2p/config"
 	basichost "github.com/libp2p/go-libp2p/p2p/host/basic"
 	"github.com/multiformats/go-multiaddr"
 	ma "github.com/multiformats/go-multiaddr"
@@ -54,6 +55,10 @@ func (w WakuNodeParameters) MultiAddresses() []ma.Multiaddr {
 	return w.multiAddr
 }
 
+func (w WakuNodeParameters) Identity() config.Option {
+	return libp2p.Identity(*w.privKey)
+}
+
 // WithHostAddress is a WakuNodeOption that configures libp2p to listen on a list of net endpoint addresses
 func WithHostAddress(hostAddr []net.Addr) WakuNodeOption {
 	return func(params *WakuNodeParameters) error {