diff --git a/crates/tor-bytes/semver.md b/crates/tor-bytes/semver.md
index a9f4f688d..56d4d389c 100644
--- a/crates/tor-bytes/semver.md
+++ b/crates/tor-bytes/semver.md
@@ -1 +1,2 @@
 ADDED: EncodeError::always_bug method to turn an EcodeError into a Bug
+ADDED: impl Writeable for &impl Writeable
diff --git a/crates/tor-bytes/src/lib.rs b/crates/tor-bytes/src/lib.rs
index b6f7230e6..32ca8249d 100644
--- a/crates/tor-bytes/src/lib.rs
+++ b/crates/tor-bytes/src/lib.rs
@@ -109,6 +109,12 @@ impl<W: Writeable + Sized> WriteableOnce for W {
     }
 }
 
+impl<W: Writeable + ?Sized> Writeable for &W {
+    fn write_onto<B: Writer + ?Sized>(&self, b: &mut B) -> EncodeResult<()> {
+        (*self).write_onto(b)
+    }
+}
+
 // ----------------------------------------------------------------------
 
 /// Trait for an object that can be extracted from a Reader.