diff --git a/src/host.rs b/src/host.rs
index 50488772..8cae0521 100644
--- a/src/host.rs
+++ b/src/host.rs
@@ -176,7 +176,7 @@ impl<S: AsRef<str>> fmt::Display for Host<S> {
 
 /// This mostly exists because coherence rules don’t allow us to implement
 /// `ToSocketAddrs for (Host<S>, u16)`.
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub struct HostAndPort<S=String> {
     pub host: Host<S>,
     pub port: u16,
@@ -212,6 +212,16 @@ impl<S: AsRef<str>> ToSocketAddrs for HostAndPort<S> {
     }
 }
 
+impl<S: AsRef<str>> fmt::Display for HostAndPort<S> {
+    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
+        use std::fmt::Write;
+        self.host.fmt(f)?;
+        f.write_char(':')?;
+        self.port.fmt(f)
+    }
+}
+
+
 /// Socket addresses for an URL.
 pub struct SocketAddrs {
     state: SocketAddrsState
diff --git a/tests/unit.rs b/tests/unit.rs
index 2d13340b..14f06701 100644
--- a/tests/unit.rs
+++ b/tests/unit.rs
@@ -14,7 +14,7 @@ extern crate url;
 use std::borrow::Cow;
 use std::net::{Ipv4Addr, Ipv6Addr};
 use std::path::{Path, PathBuf};
-use url::{Host, Url, form_urlencoded};
+use url::{Host, HostAndPort, Url, form_urlencoded};
 
 #[test]
 fn size() {
@@ -197,6 +197,22 @@ fn host() {
     assert!(Url::parse("http://192.168.0.257").is_err());
 }
 
+#[test]
+fn host_and_port() {
+    assert_eq!("www.mozilla.org:443", &format!("{}", HostAndPort {
+        host: Host::Domain("www.mozilla.org"),
+        port: 443
+    }));
+    assert_eq!("127.0.0.1:9000", &format!("{}", HostAndPort::<&str> {
+        host: Host::Ipv4(Ipv4Addr::new(127, 0, 0, 1)),
+        port: 9000
+    }));
+    assert_eq!("[::1]:80", &format!("{}", HostAndPort::<&str> {
+        host: Host::Ipv6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)),
+        port: 80
+    }));
+}
+
 #[test]
 fn host_serialization() {
     // libstd’s `Display for Ipv6Addr` serializes 0:0:0:0:0:0:_:_ and 0:0:0:0:0:ffff:_:_