Index: rts/System/Platform/byteorder.h
--- rts/System/Platform/byteorder.h.orig
+++ rts/System/Platform/byteorder.h
@@ -61,7 +61,7 @@
 
 #elif defined(__FreeBSD__) || defined(__OpenBSD__)
 
-	#include <sys/endian.h>
+	#include <endian.h>
 
 	#define swabWord(w)  (htole16(w))
 	#define swabDWord(w) (htole32(w))
