diff --git a/pkg/cluster/wireguard.go b/pkg/cluster/wireguard.go
index ce71b88..932fe32 100644
--- a/pkg/cluster/wireguard.go
+++ b/pkg/cluster/wireguard.go
@@ -97,14 +97,10 @@ func (m *Cluster) WriteWireguardConfig(ring rings.RingID) error {
 // WriteWireguardConfig rewrites all wgN.conf on all machines
 // on the Zone attached to that ring
 func (z *Zone) WriteWireguardConfig(ring rings.RingID) error {
-	switch ring {
-	case rings.RingZeroID:
+	if ring == rings.RingZeroID || ring == rings.RingOneID {
 		return writeWireguardConfig(z.zones, z.zones, ring)
-	case rings.RingOneID:
-		return writeWireguardConfig(z.zones, z, ring)
-	default:
-		return ErrInvalidRing(ring)
 	}
+	return ErrInvalidRing(ring)
 }
 
 func writeWireguardConfig(z ZoneIterator, m MachineIterator, ring rings.RingID) error {