diff --git a/addonsu/51-addonsu.sh b/addonsu/51-addonsu.sh
index 895496d..f2d200b 100644
--- a/addonsu/51-addonsu.sh
+++ b/addonsu/51-addonsu.sh
@@ -1,4 +1,7 @@
 #!/sbin/sh
+#
+# ADDOND_VERSION=2
+#
 
 . /tmp/backuptool.functions