diff --git a/core/nylon_wireguard.go b/core/nylon_wireguard.go
index 81c48fb..90214c8 100644
--- a/core/nylon_wireguard.go
+++ b/core/nylon_wireguard.go
@@ -5,7 +5,6 @@ import (
 	"cmp"
 	"encoding/hex"
 	"fmt"
-	"net/netip"
 	"slices"
 
 	"github.com/encodeous/nylon/polyamide/conn"
@@ -87,13 +86,8 @@ listen_port=%d
 		// configure self
 		selfSvc := make(map[state.ServiceId]struct{})
 
-		var defaultAddr *netip.Addr
 		for _, svc := range s.GetRouter(s.Id).Services {
 			prefix := s.GetSvcPrefix(svc)
-			if defaultAddr == nil {
-				addr := prefix.Addr()
-				defaultAddr = &addr
-			}
 			selfSvc[svc] = struct{}{}
 			err = ConfigureAlias(itfName, prefix)
 			if err != nil {
@@ -101,7 +95,7 @@ listen_port=%d
 			}
 		}
 
-		if defaultAddr == nil {
+		if len(s.GetRouter(s.Id).Services) == 0 {
 			return fmt.Errorf("no address configured for self")
 		}
 
@@ -116,7 +110,7 @@ listen_port=%d
 			if _, ok := selfSvc[svc]; ok {
 				continue
 			}
-			err = ConfigureRoute(n.Tun, itfName, prefix, *defaultAddr)
+			err = ConfigureRoute(n.Tun, itfName, prefix)
 			if err != nil {
 				return err
 			}
diff --git a/core/sys_darwin.go b/core/sys_darwin.go
index 889159e..8953196 100644
--- a/core/sys_darwin.go
+++ b/core/sys_darwin.go
@@ -2,13 +2,14 @@ package core
 
 import (
 	"fmt"
-	"github.com/encodeous/nylon/polyamide/ipc"
-	"github.com/encodeous/nylon/polyamide/tun"
-	"github.com/encodeous/nylon/state"
 	"net"
 	"net/netip"
 	"os/exec"
 	"strings"
+
+	"github.com/encodeous/nylon/polyamide/ipc"
+	"github.com/encodeous/nylon/polyamide/tun"
+	"github.com/encodeous/nylon/state"
 )
 
 func VerifyForwarding() error {
@@ -46,6 +47,6 @@ func ConfigureAlias(ifName string, prefix netip.Prefix) error {
 	}
 }
 
-func ConfigureRoute(dev tun.Device, itfName string, route netip.Prefix, via netip.Addr) error {
-	return Exec("/sbin/route", "-n", "add", "-net", route.String(), via.String())
+func ConfigureRoute(dev tun.Device, itfName string, route netip.Prefix) error {
+	return Exec("/sbin/route", "-n", "add", "-net", route.String(), "-interface", itfName)
 }
diff --git a/core/sys_linux.go b/core/sys_linux.go
index c3d3079..95971ab 100644
--- a/core/sys_linux.go
+++ b/core/sys_linux.go
@@ -45,10 +45,10 @@ func ConfigureAlias(ifName string, prefix netip.Prefix) error {
 	return Exec("ip", "addr", "add", prefix.String(), "dev", ifName)
 }
 
-func ConfigureRoute(dev tun.Device, itfName string, route netip.Prefix, via netip.Addr) error {
+func ConfigureRoute(dev tun.Device, itfName string, route netip.Prefix) error {
 	err := Exec("ip", "route", "flush", route.String())
 	if err != nil {
 		return err
 	}
-	return Exec("ip", "route", "add", route.String(), "via", via.String(), "dev", itfName)
+	return Exec("ip", "route", "add", route.String(), "dev", itfName)
 }
diff --git a/core/sys_windows.go b/core/sys_windows.go
index 6648788..09e1cab 100644
--- a/core/sys_windows.go
+++ b/core/sys_windows.go
@@ -2,14 +2,15 @@ package core
 
 import (
 	"fmt"
-	"github.com/encodeous/nylon/polyamide/ipc"
-	"github.com/encodeous/nylon/polyamide/tun"
-	"github.com/encodeous/nylon/state"
-	"github.com/kmahyyg/go-network-compo/wintypes"
 	"net"
 	"net/netip"
 	"strconv"
 	"strings"
+
+	"github.com/encodeous/nylon/polyamide/ipc"
+	"github.com/encodeous/nylon/polyamide/tun"
+	"github.com/encodeous/nylon/state"
+	"github.com/kmahyyg/go-network-compo/wintypes"
 )
 
 func VerifyForwarding() error {
@@ -39,7 +40,7 @@ func ConfigureAlias(ifName string, prefix netip.Prefix) error {
 	return Exec("netsh", "interface", "ip", "add", "address", ifName, addr.String(), maskStr)
 }
 
-func ConfigureRoute(dev tun.Device, itfName string, route netip.Prefix, via netip.Addr) error {
+func ConfigureRoute(dev tun.Device, itfName string, route netip.Prefix) error {
 	addr := route.Addr()
 	_, mask, _ := net.ParseCIDR(route.String())
 	maskStr := net.IP(mask.Mask).String()
@@ -48,5 +49,5 @@ func ConfigureRoute(dev tun.Device, itfName string, route netip.Prefix, via neti
 	if err != nil {
 		return err
 	}
-	return Exec("route", "add", addr.String(), "mask", maskStr, via.String(), "IF", strconv.FormatUint(uint64(itf.InterfaceIndex), 10))
+	return Exec("route", "add", addr.String(), "mask", maskStr, "0.0.0.0", "IF", strconv.FormatUint(uint64(itf.InterfaceIndex), 10))
 }