diff --git a/lesson13/client13/src/main.rs b/lesson13/client13/src/main.rs
index 5dd1c25..09310cd 100644
--- a/lesson13/client13/src/main.rs
+++ b/lesson13/client13/src/main.rs
@@ -59,7 +59,7 @@ fn outgoing(mut stream: TcpStream) -> JoinHandle<()> {
             match user_input.split_whitespace().next().unwrap_or_default() {
                 ".quit" => {
                     println!("{} Exiting!", current_time(),);
-                    process::exit(1)
+                    process::exit(0)
                 }
                 ".file" => {
                     //TODO cannot read file
diff --git a/lesson13/shared13/src/lib.rs b/lesson13/shared13/src/lib.rs
index 34546d3..a33cbb4 100644
--- a/lesson13/shared13/src/lib.rs
+++ b/lesson13/shared13/src/lib.rs
@@ -44,7 +44,7 @@ pub fn server_address(args: Vec<String>) -> String {
     if args.len() > 1 && args[1] == "help" {
         println!("=============== USAGE ===============");
         println!("{} IPaddress:port", args[0]);
-        process::exit(1)
+        process::exit(0)
     } else if args.len() > 1 && args[1].parse::<IpAddr>().is_ok() {
         args[1].clone()
     } else {