diff --git a/router/mocks_test.go b/router/mocks_test.go
index f2d6a975..2380a0fe 100644
--- a/router/mocks_test.go
+++ b/router/mocks_test.go
@@ -12,7 +12,7 @@ import (
 
 // Add to peers a connection from peers.ourself to p
 func (peers *Peers) AddTestConnection(p *Peer) {
-	toPeer := NewPeer(p.Name, "hostname", p.UID, 0)
+	toPeer := NewPeer(p.Name, "", p.UID, 0)
 	peers.FetchWithDefault(toPeer) // Has side-effect of incrementing refcount
 	conn := newMockConnection(peers.ourself, toPeer)
 	peers.ourself.addConnection(conn)
@@ -22,10 +22,10 @@ func (peers *Peers) AddTestConnection(p *Peer) {
 // Add to peers a connection from p1 to p2
 func (peers *Peers) AddTestRemoteConnection(p1, p2 *Peer) {
 	fromName := p1.Name
-	fromPeer := NewPeer(fromName, "hostname", p1.UID, 0)
+	fromPeer := NewPeer(fromName, "", p1.UID, 0)
 	fromPeer = peers.FetchWithDefault(fromPeer)
 	toName := p2.Name
-	toPeer := NewPeer(toName, "hostname", p2.UID, 0)
+	toPeer := NewPeer(toName, "", p2.UID, 0)
 	toPeer = peers.FetchWithDefault(toPeer)
 	peers.ourself.addConnection(&RemoteConnection{fromPeer, toPeer, "", false})
 }
diff --git a/router/peers_test.go b/router/peers_test.go
index e9840af9..b3257789 100644
--- a/router/peers_test.go
+++ b/router/peers_test.go
@@ -17,7 +17,7 @@ import (
 // - non-gc of peers that are only referenced locally
 
 func newNode(name PeerName) (*Peer, *Peers) {
-	peer := NewPeer(name, "hostname", 0, 0)
+	peer := NewPeer(name, "", 0, 0)
 	peers := NewPeers(peer, func(*Peer) {})
 	peers.FetchWithDefault(peer)
 	return peer, peers