diff --git a/examples/basic.rs b/examples/basic.rs
index 001dcf28..5dd95b40 100644
--- a/examples/basic.rs
+++ b/examples/basic.rs
@@ -61,32 +61,35 @@ fn main() {
 
     let num = Arc::new(AtomicUsize::new(0));
 
-    // configure service pipeline
-    let srv =
-        // service for converting incoming TcpStream to a SslStream<TcpStream>
-        (move |stream| {
-            SslAcceptorExt::accept_async(&acceptor, stream)
-                .map_err(|e| io::Error::new(io::ErrorKind::Other, e))
-        })
-        // convert closure to a `NewService`
-        .into_new_service()
-
-        // .and_then() combinator uses other service to convert incoming `Request` to a `Response`
-        // and then uses that response as an input for next service.
-        // in this case, on success we use `logger` service
-        .and_then(logger)
-
-        // next service uses two components, service state and service function
-        // actix-net generates `NewService` impl that creates `ServiceState` instance for each new service
-        // and use `service` function as `Service::call`
-        .and_then((service, move || {
-            Ok::<_, io::Error>(ServiceState { num: num.clone() })
-        }));
-
     // bind socket address and start workers. By default server uses number of
     // available logical cpu as threads count. actix net start separate
     // instances of service pipeline in each worker.
-    Server::default().bind("0.0.0.0:8443", srv).unwrap().start();
+    Server::default().bind(
+        // configure service pipeline
+        "0.0.0.0:8443", move || {
+            let num = num.clone();
+            let acceptor = acceptor.clone();
+
+            // service for converting incoming TcpStream to a SslStream<TcpStream>
+            (move |stream| {
+                SslAcceptorExt::accept_async(&acceptor, stream)
+                    .map_err(|e| io::Error::new(io::ErrorKind::Other, e))
+            })
+            // convert closure to a `NewService`
+            .into_new_service()
+
+            // .and_then() combinator uses other service to convert incoming `Request` to a `Response`
+            // and then uses that response as an input for next service.
+            // in this case, on success we use `logger` service
+            .and_then(logger)
+
+            // next service uses two components, service state and service function
+            // actix-net generates `NewService` impl that creates `ServiceState` instance for each new service
+            // and use `service` function as `Service::call`
+            .and_then((service, move || {
+                Ok::<_, io::Error>(ServiceState { num: num.clone() })
+            }))
+    }).unwrap().start();
 
     sys.run();
 }
diff --git a/examples/ssl.rs b/examples/ssl.rs
index 5d974f72..25ec9551 100644
--- a/examples/ssl.rs
+++ b/examples/ssl.rs
@@ -43,13 +43,17 @@ fn main() {
         .unwrap();
 
     let num = Arc::new(AtomicUsize::new(0));
+    let openssl = ssl::OpensslService::new(builder);
 
-    // configure service
-    let srv = ssl::OpensslService::new(builder).and_then((service, move || {
-        Ok::<_, io::Error>(ServiceState { num: num.clone() })
-    }));
+    // server start mutiple workers, it runs supplied `Fn` in each worker.
+    Server::default().bind("0.0.0.0:8443", move || {
+        let num = num.clone();
 
-    Server::default().bind("0.0.0.0:8443", srv).unwrap().start();
+        // configure service
+        openssl.clone().and_then((service, move || {
+            Ok::<_, io::Error>(ServiceState { num: num.clone() })
+        }))
+    }).unwrap().start();
 
     sys.run();
 }
diff --git a/src/server.rs b/src/server.rs
index efdd5541..6c38c206 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -170,7 +170,7 @@ impl<C: Config> Server<C> {
     /// Add new service to server
     pub fn bind<F, U, N>(mut self, addr: U, factory: F) -> io::Result<Self>
     where
-        F: Fn() -> N + Copy + Send + 'static,
+        F: Fn() -> N + Clone + Send + 'static,
         U: net::ToSocketAddrs,
         N: NewService<Request = TcpStream, Response = (), Config = C, InitError = io::Error> + 'static,
         N::Service: 'static,
@@ -188,7 +188,7 @@ impl<C: Config> Server<C> {
     /// Add new service to server
     pub fn listen<F, N>(mut self, lst: net::TcpListener, factory: F) -> Self
     where
-        F: Fn() -> N + Copy + Send + 'static,
+        F: Fn() -> N + Clone + Send + 'static,
         N: NewService<Request = TcpStream, Response = (), Config = C, InitError = io::Error> + 'static,
         N::Service: 'static,
         N::Future: 'static,