diff --git a/cloud-backup b/cloud-backup
index 5003f8f..3fa0e41 100644
--- a/cloud-backup
+++ b/cloud-backup
@@ -3,6 +3,8 @@
 # Copyright (c) 2013-2021 Christian Hesse <mail@eworm.de>
 # https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
 #
+# provides: backup-script
+#
 # upload backup to MikroTik cloud
 # https://git.eworm.de/cgit/routeros-scripts/about/doc/cloud-backup.md
 
diff --git a/email-backup b/email-backup
index 5a74220..a819a4a 100644
--- a/email-backup
+++ b/email-backup
@@ -3,6 +3,8 @@
 # Copyright (c) 2013-2021 Christian Hesse <mail@eworm.de>
 # https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
 #
+# provides: backup-script
+#
 # create and email backup and config file
 # https://git.eworm.de/cgit/routeros-scripts/about/doc/email-backup.md
 
diff --git a/packages-update b/packages-update
index bb138d7..627a7c4 100644
--- a/packages-update
+++ b/packages-update
@@ -52,7 +52,7 @@ $ScriptLock $0;
   }
 }
 
-:foreach Script in=[ / system script find where name~"^(cloud|email|upload)-backup\$" ] do={
+:foreach Script in=[ / system script find where source~"\n# provides: backup-script\n" ] do={
   :local ScriptName [ / system script get $Script name ];
   :do {
     $LogPrintExit2 info $0 ("Running backup script " . $ScriptName . " before update.") false;
diff --git a/upload-backup b/upload-backup
index d79039a..cde847c 100644
--- a/upload-backup
+++ b/upload-backup
@@ -3,6 +3,8 @@
 # Copyright (c) 2013-2021 Christian Hesse <mail@eworm.de>
 # https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
 #
+# provides: backup-script
+#
 # create and upload backup and config file
 # https://git.eworm.de/cgit/routeros-scripts/about/doc/upload-backup.md