diff --git a/src/client.rs b/src/client.rs
index 344321e..3d36490 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -17,7 +17,7 @@ use crate::udp::{UDPVpnPacket, UDPVpnHandshake, UDPSerializable};
 use network_interface::NetworkInterface;
 use network_interface::NetworkInterfaceConfig;
 
-pub async fn client_mode(client_config: ClientConfiguration) {
+pub async fn client_mode(client_config: ClientConfiguration, fd: i32) {
     info!("Starting client...");
 
     let sock = UdpSocket::bind("0.0.0.0:25565").await.unwrap();
@@ -25,11 +25,7 @@ pub async fn client_mode(client_config: ClientConfiguration) {
 
     let mut config = tun2::Configuration::default();
     info!("address: {:?}", &client_config.client.address);
-    config.address(&client_config.client.address)
-        .netmask("255.255.255.255")
-        .destination("0.0.0.0")
-        .tun_name("tun0")
-        .up();
+    config.raw_fd(fd).up();
 
     let dev = tun2::create(&config).unwrap();
     let (mut dev_reader, mut dev_writer) = dev.split();
diff --git a/src/main.rs b/src/main.rs
index c0576d7..64e5403 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -26,11 +26,17 @@ async fn main() {
             .value_name("B32_RAW")
             .help("Configuration file data (base32 encoded)")
             .takes_value(true))
+        .arg(Arg::with_name("fd")
+            .long("fd")
+            .required(true)
+            .value_name("INT")
+            .help("File descriptor int")
+            .takes_value(true))
         .get_matches();
 
     let cfg_raw = matches.value_of("config").unwrap();
 
     let config: ClientConfiguration = serde_yaml::from_slice(RFC4648.decode(cfg_raw.as_bytes()).unwrap().as_slice()).expect("Bad client config file structure");
 
-    client::client_mode(config).await;
+    client::client_mode(config, matches.value_of("fd").unwrap().parse().unwrap()).await;
 }
\ No newline at end of file