diff --git a/samplecode/mutual-ra/enclave/src/lib.rs b/samplecode/mutual-ra/enclave/src/lib.rs
index 847052c..bf21de6 100644
--- a/samplecode/mutual-ra/enclave/src/lib.rs
+++ b/samplecode/mutual-ra/enclave/src/lib.rs
@@ -677,6 +677,7 @@
     let mut conn = TcpStream::new(socket_fd).unwrap();
 
     let mut tls = rustls::Stream::new(&mut sess, &mut conn);
+
     tls.write("hello".as_bytes()).unwrap();
 
     let mut plaintext = Vec::new();