diff --git a/Cargo.toml b/Cargo.toml
index 4f3788e9..418c23e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tun2"
-version = "0.7.21"
+version = "0.7.22"
 edition = "2021"
 
 authors = ["meh. <meh@schizofreni.co>", "@ssrlive"]
diff --git a/src/configuration.rs b/src/configuration.rs
index 34a30684..d6f99306 100644
--- a/src/configuration.rs
+++ b/src/configuration.rs
@@ -92,7 +92,10 @@ impl Configuration {
 
     /// Set the MTU.
     pub fn mtu(&mut self, value: i32) -> &mut Self {
-        self.mtu = Some(value);
+        // mtu on windows platform is always 65535 due to wintun
+        if cfg!(target_family = "unix") {
+            self.mtu = Some(value);
+        }
         self
     }