diff --git a/proxmox-protocol/src/client.rs b/proxmox-protocol/src/client.rs
index 60831462..86cc6c07 100644
--- a/proxmox-protocol/src/client.rs
+++ b/proxmox-protocol/src/client.rs
@@ -587,17 +587,17 @@ where
         self.common.queue_data(packet.finish())
     }
 
-    pub fn finish_backup(&mut self, stream: BackupStream) -> Result<(StreamId, String, bool)> {
+    pub fn finish_backup(&mut self, stream: BackupStream) -> Result<(String, bool)> {
         let path = self
             .streams
             .remove(&stream.0)
             .ok_or_else(|| format_err!("no such active backup stream"))?
             .path
             .unwrap_or_else(|| "<no remote name received>".to_string());
-        let ack = self
+        let done = self
             .common
             .queue_data(Packet::simple(stream.0, PacketType::BackupFinished))?;
         self.expect_ok_for_id(stream.0);
-        Ok((StreamId(stream.0), path, ack))
+        Ok((path, done))
     }
 }
diff --git a/src/bin/proxmox-protocol-testclient.rs b/src/bin/proxmox-protocol-testclient.rs
index a42be22d..e595f7e7 100644
--- a/src/bin/proxmox-protocol-testclient.rs
+++ b/src/bin/proxmox-protocol-testclient.rs
@@ -240,9 +240,10 @@ impl<S: AsyncRead + AsyncWrite> UploaderBase<S> {
     }
 
     pub fn finish_backup(&mut self, stream: BackupStream) -> Result<(), Error> {
-        let (ack, name, _done) = self.client.as_mut().unwrap().finish_backup(stream)?;
+        let id = stream.into();
+        let (name, _done) = self.client.as_mut().unwrap().finish_backup(stream)?;
         println!("Server created file: {}", name);
-        self.wait_id = Some(ack);
+        self.wait_id = Some(id);
         Ok(())
     }