diff --git a/waku/v2/protocol/peer_exchange/waku_peer_exchange_option.go b/waku/v2/protocol/peer_exchange/waku_peer_exchange_option.go
index 6d4c7a49..55702ad5 100644
--- a/waku/v2/protocol/peer_exchange/waku_peer_exchange_option.go
+++ b/waku/v2/protocol/peer_exchange/waku_peer_exchange_option.go
@@ -26,7 +26,7 @@ type PeerExchangeOption func(*PeerExchangeParameters) error
 func WithPeer(p peer.ID) PeerExchangeOption {
 	return func(params *PeerExchangeParameters) error {
 		params.selectedPeer = p
-		if params.selectedPeer != "" {
+		if params.peerAddr != nil {
 			return errors.New("peerAddr and peerId options are mutually exclusive")
 		}
 		return nil