diff --git a/README.md b/README.md
index 1bfc718..061fefd 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,7 @@ max_messages: 100                  # chat messages limit
 -i, --disable-ip-hiding                Disable ip hiding
 -v, --enable-users-ip-viewing          Enable users IP viewing
 -C, --configure                        Configure client
+-a, --disable-auth                     Disable authentication
 -h, --help                             Print help
 -V, --version                          Print version
 ```
diff --git a/src/config.rs b/src/config.rs
index 457a05f..7f6c3a2 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -173,9 +173,9 @@ pub struct Args {
     #[arg(short='C', long)]
     pub configure: bool,
 
-    /// Authentication password
+    /// Disable authentication
     #[arg(short='a', long)]
-    pub auth: bool,
+    pub disable_auth: bool,
 }
 
 pub struct Context {
@@ -209,7 +209,7 @@ impl Context {
             max_messages: config.max_messages,
             enable_ip_viewing: args.enable_users_ip_viewing || config.enable_ip_viewing,
             scroll: Arc::new(AtomicUsize::new(0)),
-            auth: args.auth
+            auth: !args.disable_auth
         }
     }
 }
\ No newline at end of file