diff --git a/code/qcommon/q_platform.h b/code/qcommon/q_platform.h
index c9965035..14a5c7cd 100644
--- a/code/qcommon/q_platform.h
+++ b/code/qcommon/q_platform.h
@@ -98,7 +98,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #define PATH_SEP '\\'
 
 #if defined( __WIN64__ ) 
-#define ARCH_STRING "x86_64"
+#define ARCH_STRING "x64"
 #elif defined _M_ALPHA
 #define ARCH_STRING "AXP"
 #endif