diff --git a/zlibs/iso b/zlibs/iso
index 307cc9f..802cd41 100644
--- a/zlibs/iso
+++ b/zlibs/iso
@@ -87,10 +87,20 @@ iso_squash_strap() {
 
 	notice "creating squashfs out of strapdir"
 
-	[[ -n "$mkefi" ]] && _uefi_opt="-Xbcj x86"
+	case "$arch" in
+		amd64|i386)
+			_compfilt="-Xbcj x86"
+			;;
+		arm*)
+			_compfilt="-Xbcj arm"
+			;;
+		*)
+			_compfilt=""
+			;;
+	esac
 	pushd $workdir
 	sudo mksquashfs $strapdir binary/live/filesystem.squashfs \
-		-comp xz ${=_uefi_opt} -noappend || zerr
+		-comp xz ${=_compfilt} -noappend || zerr
 
 	popd
 }
diff --git a/zlibs/sysconf b/zlibs/sysconf
index a3f9a80..6ae572a 100644
--- a/zlibs/sysconf
+++ b/zlibs/sysconf
@@ -30,7 +30,7 @@ EOF
 
 conf_print_fstab() {
 	fn conf_print_fstab
-
+	[[ -n "$livesdk_version" ]] && return
 	cat <<EOF
 #<file system>  <mount point>  <type>  <options>            <dump> <pass>
 # rootfs