diff --git a/src/main.rs b/src/main.rs
index 7d86200..8e992ee 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -114,6 +114,7 @@ fn perform_handshake() -> Result<u128> {
 
     assert_eq!(buf[0], 2);
     assert_eq!(number_of_bytes, 92);
+    assert_eq!(buf[8..12], id);
 
     Ok(end.duration_since(start).as_nanos())
 }