diff --git a/README.md b/README.md
index 792752758..fd722d4ad 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ use tokio::io::{AsyncReadExt, AsyncWriteExt};
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let mut listener = TcpListener::bind("127.0.0.1:8080").await?;
+    let listener = TcpListener::bind("127.0.0.1:8080").await?;
 
     loop {
         let (mut socket, _) = listener.accept().await?;