diff --git a/src/lib/libc/stdlib/strtod.c b/src/lib/libc/stdlib/strtod.c
index 17d26a1d..55c45589 100644
--- a/src/lib/libc/stdlib/strtod.c
+++ b/src/lib/libc/stdlib/strtod.c
@@ -90,12 +90,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strtod.c,v 1.16 2002/12/02 15:38:54 millert Exp $";
+static char *rcsid = "$OpenBSD: strtod.c,v 1.17 2004/01/28 01:51:39 mickey Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #if defined(__m68k__) || defined(__sparc__) || defined(__i386__) || \
     defined(__mips__) || defined(__ns32k__) || defined(__alpha__) || \
-    defined(__powerpc__) || defined(__m88k__) || defined(__hppa__)
+    defined(__powerpc__) || defined(__m88k__) || defined(__hppa__) || \
+    defined(__x86_64__)
 #include <sys/types.h>
 #if BYTE_ORDER == BIG_ENDIAN
 #define IEEE_BIG_ENDIAN