diff --git a/transports/noise/src/io/framed.rs b/transports/noise/src/io/framed.rs
index 2b66e80cb72..f41b4110b7b 100644
--- a/transports/noise/src/io/framed.rs
+++ b/transports/noise/src/io/framed.rs
@@ -57,7 +57,7 @@ impl<S: SessionState> Codec<S> {
         }
     }
 
-    fn encode_bytes(&mut self, item: &[u8], dst: &mut BytesMut) -> Result<(), io::Error> {
+    fn encode_bytes(&mut self, item: &Vec<u8>, dst: &mut BytesMut) -> Result<(), io::Error> {
         self.encrypt_buffer
             .resize(item.len() + EXTRA_ENCRYPT_SPACE, 0);
         let n = match self.session.write_message(item, &mut self.encrypt_buffer) {
@@ -179,7 +179,7 @@ impl asynchronous_codec::Decoder for Codec<snow::HandshakeState> {
 
 impl asynchronous_codec::Encoder for Codec<snow::TransportState> {
     type Error = io::Error;
-    type Item<'a> = &'a [u8];
+    type Item<'a> = &'a Vec<u8>;
 
     fn encode(&mut self, item: Self::Item<'_>, dst: &mut BytesMut) -> Result<(), Self::Error> {
         self.encode_bytes(item, dst)