--- a/tuxcap/include/Physics.h
+++ b/tuxcap/include/Physics.h
@@ -31,8 +31,10 @@
 #include "chipmunk.h"
 #include "PhysicsListener.h"
 #include "SexyVector.h"
+#if defined(linux)
 #include <linux/types.h>
 typedef     __u32       uint32_t;
+#endif
 
 
 namespace Sexy