diff --git a/README.md b/README.md
index ee3183c..b01a403 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ Options:
   -u, --username <USERNAME>                Socks5 username
   -P, --password <PASSWORD>                Socks5 password
       --http-basic <USER:PASSWD>           HTTP Basic Auth
-      --no-httpauth <true/false>           ignore HTTP Basic Auth, [default: true]
+      --no-httpauth <1/0>                  Ignore HTTP Basic Auth, [default: 1]
   -s, --socks-address <SOCKS_ADDRESS>      Socks5 proxy address [default: 127.0.0.1:1080]
       --allowed-domains <ALLOWED_DOMAINS>  Comma-separated list of allowed domains
   -h, --help                               Print help information
diff --git a/src/main.rs b/src/main.rs
index 01108ee..3d85b8f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,7 @@
 mod auth;
 
 use crate::auth::Auth;
-use clap::{Args, Parser};
+use clap::{Args, Parser, value_parser};
 use color_eyre::eyre::Result;
 
 use tokio_socks::tcp::Socks5Stream;
@@ -61,9 +61,9 @@ struct Cli {
     #[arg(long)]
     http_basic: Option<String>,
 
-    /// Disable HTTP authentication [default: true]
-    #[arg(long, default_value_t = true)]
-    no_httpauth: bool,
+    /// Disable HTTP authentication [default: 1]
+    #[arg(long, value_parser = value_parser ! (u8).range(0..=1), default_value_t = 1)]
+    no_httpauth: u8,
 }
 
 #[tokio::main]
@@ -85,7 +85,7 @@ async fn main() -> Result<()> {
     let allowed_domains = &*Box::leak(Box::new(allowed_domains));
     let http_basic = args.http_basic.map(|hb| format!("Basic {}", general_purpose::STANDARD.encode(hb)));
     let http_basic = &*Box::leak(Box::new(http_basic));
-    let no_httpauth = args.no_httpauth;
+    let no_httpauth = args.no_httpauth == 1;
 
     let listener = TcpListener::bind(addr).await?;
     info!("Listening on http://{}", addr);