diff --git a/vendor/libc-0.2.174/src/unix/mod.rs b/vendor/libc-0.2.174/src/unix/mod.rs
index 1234567..abcdefg 100644
--- a/vendor/libc-0.2.174/src/unix/mod.rs
+++ b/vendor/libc-0.2.174/src/unix/mod.rs
@@ -67,7 +67,7 @@ s! {

     // linux x32 compatibility
     // See https://sourceware.org/bugzilla/show_bug.cgi?id=16437
-    #[cfg(not(target_env = "gnu"))]
+    #[cfg(any(not(target_env = "gnu"), target_os = "macos"))]
     pub struct timespec {
         pub tv_sec: time_t,
         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]