diff --git a/pkg/zones/wireguard.go b/pkg/zones/wireguard.go
index be0f418..35888db 100644
--- a/pkg/zones/wireguard.go
+++ b/pkg/zones/wireguard.go
@@ -45,7 +45,7 @@ func pruneWireguardConfig(m MachineIterator, ring int) error {
 	var err error
 
 	m.ForEachMachine(func(p *Machine) bool {
-		err = p.zone.PruneWireguardConfig(ring)
+		err = p.PruneWireguardConfig(ring)
 		if os.IsNotExist(err) {
 			// ignore
 			err = nil