diff --git a/src/cloud.rs b/src/cloud.rs
index ebbc308..338b704 100644
--- a/src/cloud.rs
+++ b/src/cloud.rs
@@ -105,10 +105,10 @@ pub struct GenericCloud<P: Protocol> {
 }
 
 impl<P: Protocol> GenericCloud<P> {
-    pub fn new(device: Device, listen: String, network_id: Option<NetworkId>, table: Box<Table>,
+    pub fn new(device: Device, listen: &str, network_id: Option<NetworkId>, table: Box<Table>,
         peer_timeout: Duration, learning: bool, broadcast: bool, addresses: Vec<Range>,
         crypto: Crypto) -> Self {
-        let socket = match UdpSocket::bind(&listen as &str) {
+        let socket = match UdpSocket::bind(listen) {
             Ok(socket) => socket,
             _ => fail!("Failed to open socket {}", listen)
         };
diff --git a/src/main.rs b/src/main.rs
index 3f2e6ff..ab9a2a8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -122,7 +122,7 @@ fn run<T: Protocol> (args: Args) {
         Some(key) => Crypto::from_shared_key(args.flag_crypto, &key),
         None => Crypto::None
     };
-    let mut cloud = GenericCloud::<T>::new(device, args.flag_listen, network_id, table, peer_timeout, learning, broadcasting, ranges, crypto);
+    let mut cloud = GenericCloud::<T>::new(device, &args.flag_listen, network_id, table, peer_timeout, learning, broadcasting, ranges, crypto);
     if let Some(script) = args.flag_ifup {
         run_script(script, cloud.ifname());
     }