diff --git a/src/deutex.h b/src/deutex.h | |
index 0a26df5..7af321c 100644 | |
--- a/src/deutex.h | |
+++ b/src/deutex.h | |
@@ -31,7 +31,7 @@ Place, Suite 330, Boston, MA 02111-1307, USA. | |
#define DeuSF for DOS .EXE Unix Linux OS/2 | |
*********************************************/ | |
-#if defined (__alpha) /*__ALPHA__ for Alpha processor?*/ | |
+#if defined (__alpha) || defined (__x86_64__) /*__ALPHA__ for Alpha processor?*/ | |
/*long = int64 on a 64bit processor*/ | |
typedef char Int8; | |
typedef short Int16; |