diff --git a/once/get_updates.sh b/once/get_updates.sh
index 7e779db..8a8a6fa 100755
--- a/once/get_updates.sh
+++ b/once/get_updates.sh
@@ -10,7 +10,15 @@ mb_script="$0"
 mb_success=no
 mb_obtain=no
 mb_state=true
-mb_dlopt="${1:-}"
+mb_opt="${1:-}"
+
+if [ "${mb_opt}" = '--mpackage' ]; then
+	mb_mpackage="${mb_opt}"
+	mb_dlopt="${2:-}"
+else
+	mb_dlopt="${mb_opt}"
+	mb_mpackage="${2:-}"
+fi
 
 error_msg()
 {
@@ -89,7 +97,12 @@ mb_vendor=$(cat /etc/vendor.host)
 
 # obtain list of advertised updates
 obtain_remote_file /updates/updates.sha256
-mb_tarballs=$(cut -d' ' -f3 /updates/updates.sha256)
+
+if [ "${mb_mpackage}" = '--mpackage' ]; then
+	mb_tarballs=$(cut -d' ' -f3 /updates/updates.sha256 | grep 'updater.tar.gz' || true)
+else
+	mb_tarballs=$(cut -d' ' -f3 /updates/updates.sha256)
+fi
 
 # simple argument parsing
 if [ "${mb_dlopt}" = '--obtain-tarballs' ]; then
diff --git a/once/update.sh b/once/update.sh
index d93a461..04b274a 100755
--- a/once/update.sh
+++ b/once/update.sh
@@ -31,7 +31,10 @@ for tarball in $tarballs; do
 	echo @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
 	echo extracting files from /updates/$tarball
 	echo ..................................................
-	tar -xpvf /updates/$tarball -C "$SYSROOT" || exit 2
+
+	if [ "$tarball" != 'updater.tar.gz' ]; then
+		tar -xpvf /updates/$tarball -C "$SYSROOT" || exit 2
+	fi
 
 	echo archiving old $tarball
 	echo ..................................................