diff --git a/transport/internet/system_dialer.go b/transport/internet/system_dialer.go
index 658382f7..c0c8c403 100644
--- a/transport/internet/system_dialer.go
+++ b/transport/internet/system_dialer.go
@@ -60,10 +60,14 @@ func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest ne
 			}
 		}
 		var lc net.ListenConfig
+		destAddr, err := net.ResolveUDPAddr("udp", dest.NetAddr())
+		if err != nil {
+			return nil, err
+		}
 		lc.Control = func(network, address string, c syscall.RawConn) error {
 			return c.Control(func(fd uintptr) {
 				if sockopt != nil {
-					if err := applyOutboundSocketOptions(network, dest.NetAddr(), fd, sockopt); err != nil {
+					if err := applyOutboundSocketOptions(network, destAddr.String(), fd, sockopt); err != nil {
 						errors.LogInfo(ctx, err, "failed to apply socket options")
 					}
 				}
@@ -73,10 +77,6 @@ func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest ne
 		if err != nil {
 			return nil, err
 		}
-		destAddr, err := net.ResolveUDPAddr("udp", dest.NetAddr())
-		if err != nil {
-			return nil, err
-		}
 		return &PacketConnWrapper{
 			Conn: packetConn,
 			Dest: destAddr,