diff --git a/problem_02/bin/server.rs b/problem_02/bin/server.rs
index 4fa84f6..ad63d63 100644
--- a/problem_02/bin/server.rs
+++ b/problem_02/bin/server.rs
@@ -7,7 +7,7 @@ use tokio::signal;
 pub async fn main() -> problem_02::Result<()> {
     tracing_subscriber::fmt::try_init()?;
 
-    let listener = TcpListener::bind(&format!("127.0.0.1:{}", DEFAULT_PORT)).await?;
+    let listener = TcpListener::bind(&format!("0.0.0.0:{}", DEFAULT_PORT)).await?;
 
     server::run(listener, signal::ctrl_c()).await?;
 
diff --git a/problem_02/src/connection.rs b/problem_02/src/connection.rs
index d6694ba..4119651 100644
--- a/problem_02/src/connection.rs
+++ b/problem_02/src/connection.rs
@@ -64,7 +64,7 @@ impl Connection {
     pub async fn write_frame(&mut self, frame: &Frame) -> crate::Result<()> {
         debug!(?frame);
         if let Frame::Response(mean) = frame {
-            let _ = self.stream.write(&[mean.to_ne_bytes()[0]]);
+            let _ = self.stream.write(&[mean.to_ne_bytes()[0]]).await?;
             return Ok(());
         }