diff --git a/core/server/internal/boxdns/monitor_stub.go b/core/server/internal/boxdns/monitor_stub.go
index 4445b25..b37aab2 100644
--- a/core/server/internal/boxdns/monitor_stub.go
+++ b/core/server/internal/boxdns/monitor_stub.go
@@ -4,10 +4,11 @@ package boxdns
 
 import (
 	tun "github.com/sagernet/sing-tun"
+	"github.com/sagernet/sing/common/control"
 )
 
 var DefaultIfcMonitor tun.DefaultInterfaceMonitor
 
-func monitorForUnderlyingDNS() {
+func HandleInterfaceChange(_ *control.Interface, _ int) {
 	return
 }