diff --git a/xCAT-server-2.0/share/xcat/netboot/rh/genimage b/xCAT-server-2.0/share/xcat/netboot/rh/genimage
index df3bfcbb1..459c0b59d 100755
--- a/xCAT-server-2.0/share/xcat/netboot/rh/genimage
+++ b/xCAT-server-2.0/share/xcat/netboot/rh/genimage
@@ -14,6 +14,9 @@ my $netdriver;
 my @yumdirs;
 my $arch = `uname -m`;
 chomp($arch);
+if ($arch =~ /i.86$/) {
+   $arch = x86;
+}
 my %libhash;
 my @filestoadd;
 my $profile;