diff --git a/client/peer.go b/client/peer.go
index b7ceee5..04d3578 100644
--- a/client/peer.go
+++ b/client/peer.go
@@ -162,6 +162,7 @@ func (p *Peer) BuildInvitationAnswerMessage(myContactCard *meowlib.ContactCard)
 	if err != nil {
 		return nil, err
 	}
+	invitation.Uuid = p.InvitationId
 	invitation.Payload = out
 	msg.Destination = p.ContactLookupKey
 	msg.Invitation = &invitation