diff --git a/lfs/linux-pae b/lfs/linux-pae
index 9f73b9320..bb62c46f1 100644
--- a/lfs/linux-pae
+++ b/lfs/linux-pae
@@ -29,4 +29,4 @@ VER	   = kernel
 include linux
 
 PROG	   = linux-pae
-ARCH	   = i586
+SUP_ARCH   = i586
diff --git a/lfs/linux-xen b/lfs/linux-xen
index c22e04ef2..356fc8f84 100644
--- a/lfs/linux-xen
+++ b/lfs/linux-xen
@@ -29,4 +29,4 @@ VER	   = kernel
 include linux
 
 PROG	   = linux-xen
-ARCH	   = i586
+SUP_ARCH   = i586