diff --git a/docs/src/manual/network/ltoudp.md b/docs/src/manual/network/ltoudp.md
index 1c6a0254..36abb762 100644
--- a/docs/src/manual/network/ltoudp.md
+++ b/docs/src/manual/network/ltoudp.md
@@ -4,7 +4,7 @@ Snow supports bridging LocalTalk over UDP multicast ('LToUDP'), compatible with
 real Mac hardware through an adapter such as the [TashTalk](https://github.com/lampmerchant/tashtalk).
 
 By default, MacOS will use serial port B for LocalTalk. To enable LToUDP, enable the bridge through the
-'Ports' -> 'Channel B (printer)' -> 'Enable LocalTalk bridge'.
+'Ports' -> 'Channel B (printer)' -> 'Enable LocalTalk (UDP)', or start Snow with `--serial-bridge-b localtalk`.
 
 ![LToUDP menu](../../images/ltoudp_menu.png)
 
diff --git a/frontend_egui/src/app.rs b/frontend_egui/src/app.rs
index 6d0e248a..975a0ca4 100644
--- a/frontend_egui/src/app.rs
+++ b/frontend_egui/src/app.rs
@@ -318,9 +318,11 @@ impl SnowGui {
             Some(SerialBridgeConfig::Pty)
         } else if let Some(port_str) = mode.strip_prefix("tcp:") {
             port_str.parse::<u16>().ok().map(SerialBridgeConfig::Tcp)
+        } else if mode == "localtalk" {
+            Some(SerialBridgeConfig::LocalTalk)
         } else {
             log::warn!(
-                "Invalid serial bridge mode: '{}'. Use 'pty' or 'tcp:PORT'",
+                "Invalid serial bridge mode: '{}'. Use 'pty', 'tcp:PORT' or 'localtalk'",
                 mode
             );
             None
diff --git a/frontend_egui/src/main.rs b/frontend_egui/src/main.rs
index bca86844..951aa379 100644
--- a/frontend_egui/src/main.rs
+++ b/frontend_egui/src/main.rs
@@ -64,12 +64,14 @@ struct Args {
     zen: bool,
 
     /// Enable serial bridge on SCC channel A (modem port).
-    /// Values: "pty" for PTY mode (Unix only), "tcp:PORT" for TCP mode
+    /// Values: "pty" for PTY mode (Unix only), "tcp:PORT" for TCP mode,
+    /// "localtalk" for LocalTalk over UDP
     #[arg(long, value_name = "MODE")]
     serial_bridge_a: Option<String>,
 
     /// Enable serial bridge on SCC channel B (printer port).
-    /// Values: "pty" for PTY mode (Unix only), "tcp:PORT" for TCP mode
+    /// Values: "pty" for PTY mode (Unix only), "tcp:PORT" for TCP mode,
+    /// "localtalk" for LocalTalk over UDP
     #[arg(long, value_name = "MODE")]
     serial_bridge_b: Option<String>,