diff --git a/README.md b/README.md
index e0c268e..d980104 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,7 @@ at any time.
 | [38](http://bittorrent.org/beps/bep_0038.html) | :heavy_minus_sign:                                    | Finding Local Data Via Torrent File Hints                        |
 | [39](http://bittorrent.org/beps/bep_0039.html) | [:x:](https://github.com/casey/intermodal/issues/98)  | Updating Torrents Via Feed URL                                   |
 | [40](http://bittorrent.org/beps/bep_0040.html) | :heavy_minus_sign:                                    | Canonical Peer Priority                                          |
-| [41](http://bittorrent.org/beps/bep_0041.html) | [:x:](https://github.com/casey/intermodal/issues/97)  | UDP Tracker Protocol Extensions                                  |
+| [41](http://bittorrent.org/beps/bep_0041.html) | :heavy_minus_sign:  | UDP Tracker Protocol Extensions                                  |
 | [42](http://bittorrent.org/beps/bep_0042.html) | :heavy_minus_sign:                                    | DHT Security extension                                           |
 | [43](http://bittorrent.org/beps/bep_0043.html) | :heavy_minus_sign:                                    | Read-only DHT Nodes                                              |
 | [44](http://bittorrent.org/beps/bep_0044.html) | :heavy_minus_sign:                                    | Storing arbitrary data in the DHT                                |
diff --git a/src/torrent/create.rs b/src/torrent/create.rs
index 0c9dafc..db712ff 100644
--- a/src/torrent/create.rs
+++ b/src/torrent/create.rs
@@ -256,6 +256,26 @@ mod tests {
     assert!(metainfo.announce_list.is_none());
   }
 
+  #[test]
+  fn announce_udp() {
+    let mut env = environment(&[
+      "--input",
+      "foo",
+      "--announce",
+      "udp://tracker.opentrackr.org:1337/announce",
+    ]);
+    fs::write(env.resolve("foo"), "").unwrap();
+    env.run().unwrap();
+    let torrent = env.resolve("foo.torrent");
+    let bytes = fs::read(torrent).unwrap();
+    let metainfo = serde_bencode::de::from_bytes::<Metainfo>(&bytes).unwrap();
+    assert_eq!(
+      metainfo.announce,
+      "udp://tracker.opentrackr.org:1337/announce"
+    );
+    assert!(metainfo.announce_list.is_none());
+  }
+
   #[test]
   fn announce_single_tier() {
     let mut env = environment(&[