diff --git a/src/client.rs b/src/client.rs
index f1145a7..f923e2b 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -59,7 +59,7 @@ pub async fn client_mode(client_config: ClientConfiguration, fd: i32, env: &JNIE
         let mut buf = vec![0; 1400]; // mtu
         loop {
             if let Ok(n) = dev_reader.read(&mut buf) {
-                llltx.send(format!("Read from tun. {:?}", hex::encode(buf[..n])).as_bytes().to_vec());
+                llltx.send(format!("Read from tun. {:?}", hex::encode(&buf[..n])).as_bytes().to_vec());
                 dx.send(buf[..n].to_vec()).unwrap();
             }
         }