diff --git a/doc/draft.md b/doc/draft.md
index cbac6bd..6584f68 100644
--- a/doc/draft.md
+++ b/doc/draft.md
@@ -7,6 +7,8 @@ This example is meant to show basic service-based IMAP server with boitalettres
 - [Source code](../examples/simple.rs)
 
 ```shell
+$ export RUST_LOG="info,simple=trace,boitalettres=trace" 
+$ export RUSTFLAGS="--cfg tokio_unstable"
 $ cargo run --example simple
 ```
 
diff --git a/examples/simple.rs b/examples/simple.rs
index 12e0bc0..8576ddd 100644
--- a/examples/simple.rs
+++ b/examples/simple.rs
@@ -1,6 +1,7 @@
 use boitalettres::proto::{Request, Response};
 use boitalettres::server::accept::addr::{AddrIncoming, AddrStream};
 use boitalettres::server::Server;
+use tracing_subscriber;
 
 async fn handle_req(req: Request) -> eyre::Result<Response> {
     use imap_codec::types::response::Status;
@@ -14,7 +15,7 @@ async fn handle_req(req: Request) -> eyre::Result<Response> {
 
 #[tokio::main]
 async fn main() -> eyre::Result<()> {
-    setup_logging();
+    tracing_subscriber::fmt::init();
 
     let incoming = AddrIncoming::new("127.0.0.1:4567").await?;
 
@@ -33,23 +34,3 @@ async fn main() -> eyre::Result<()> {
 
     Ok(())
 }
-
-// Don't mind this, this is just for debugging.
-fn setup_logging() {
-    use tracing_subscriber::prelude::*;
-
-    tracing_subscriber::registry()
-        .with(console_subscriber::spawn())
-        .with(
-            tracing_subscriber::fmt::layer().with_filter(
-                tracing_subscriber::filter::Targets::new()
-                    .with_default(tracing::Level::DEBUG)
-                    .with_target("boitalettres", tracing::Level::TRACE)
-                    .with_target("simple", tracing::Level::TRACE)
-                    .with_target("tower", tracing::Level::TRACE)
-                    .with_target("tokio_tower", tracing::Level::TRACE)
-                    .with_target("mio", tracing::Level::TRACE),
-            ),
-        )
-        .init();
-}