--- Makefile.orig	2007-07-09 10:11:24.000000000 -0400
+++ Makefile	2007-07-09 10:11:49.000000000 -0400
@@ -18,7 +18,7 @@
 endif
 
 # MMX/SSE optims
-ifeq ($(ARCH),X86)
+ifeq ($(ARCH),i386)
 ifneq ($(AS),)
 SRCS   += common/i386/mc-c.c common/i386/predict-c.c
 ASMSRC  = common/i386/dct-a.asm common/i386/cpu-a.asm \
@@ -32,7 +32,7 @@
 endif
 
 # MMX/SSE optims
-ifeq ($(ARCH),X86_64)
+ifeq ($(ARCH),amd64)
 ifneq ($(AS),)
 SRCS   += common/i386/mc-c.c common/i386/predict-c.c
 ASMSRC  = common/amd64/dct-a.asm common/amd64/cpu-a.asm \