diff --git a/tarpc/src/lib.rs b/tarpc/src/lib.rs
index 26077ff..55e9ee1 100644
--- a/tarpc/src/lib.rs
+++ b/tarpc/src/lib.rs
@@ -48,7 +48,7 @@
 //! ```
 
 #![deny(missing_docs)]
-#![feature(custom_derive, plugin, test)]
+#![feature(custom_derive, plugin, test, type_ascription)]
 #![plugin(serde_macros)]
 
 extern crate serde;
diff --git a/tarpc/src/protocol/client.rs b/tarpc/src/protocol/client.rs
index bca7c55..db04ea9 100644
--- a/tarpc/src/protocol/client.rs
+++ b/tarpc/src/protocol/client.rs
@@ -235,7 +235,7 @@ fn read<Reply>(requests: Arc<Mutex<RpcFutures<Reply>>>, stream: TcpStream)
 {
     let mut stream = BufReader::new(stream);
     loop {
-        match stream.deserialize::<Packet<Reply>>() {
+        match stream.deserialize() : Result<Packet<Reply>> {
             Ok(packet) => {
                 debug!("Client: received message, id={}", packet.rpc_id);
                 requests.lock().expect(pos!()).complete_reply(packet);