diff --git a/src/lib.rs b/src/lib.rs
index 2c7b4cf..0ded696 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,6 @@
 #![no_std] #![feature(naked_functions)]
 
-#[cfg(all(target_arch = "x86_64", target_os = "windows"))]
+#[cfg(target_arch = "x86_64")]
 mod win64 {
 
     #[used] #[no_mangle]