diff --git a/lib/zig.h b/lib/zig.h
index 58f9d1e24684f8094eddc2bad7f04b8fceabef0a..ab6c30a147dc6e5e77fade618390ce420f0dcfd7 100644
--- a/lib/zig.h
+++ b/lib/zig.h
@@ -100,7 +100,7 @@
 #define zig_big_endian 1
 #endif
 
-#if defined(__MACH__)
+#if defined(__APPLE__)
 #define zig_darwin
 #elif defined(__DragonFly__)
 #define zig_dragonfly