diff --git a/shared/src/types.rs b/shared/src/types.rs
index 661b158..1d9051d 100644
--- a/shared/src/types.rs
+++ b/shared/src/types.rs
@@ -471,7 +471,7 @@ pub struct NetworkOpts {
     pub backend: Backend,
 
     #[clap(long)]
-    /// Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6).
+    /// Specify the desired MTU for your interface (default: 1280).
     pub mtu: Option<u32>,
 }
 
diff --git a/shared/src/wg.rs b/shared/src/wg.rs
index e937d2a..8429719 100644
--- a/shared/src/wg.rs
+++ b/shared/src/wg.rs
@@ -100,7 +100,7 @@ pub fn up(
         .set_private_key(wireguard_control::Key::from_base64(private_key).unwrap())
         .apply(interface, network.backend)?;
     set_addr(interface, address)?;
-    set_up(interface, network.mtu.unwrap_or(1412))?;
+    set_up(interface, network.mtu.unwrap_or(1280))?;
     if !network.no_routing {
         add_route(interface, address)?;
     }