diff --git a/yeswiki-updater.php b/yeswiki-updater.php
index 8ea885c..c6ee83f 100755
--- a/yeswiki-updater.php
+++ b/yeswiki-updater.php
@@ -39,6 +39,12 @@ if ($isRoot) {
         'description'  => 'Update to latest version of stable yeswiki',
         'noValue' => true
       ],
+      'backup' => [
+        'prefix'       => 'b',
+        'longPrefix'   => 'backup',
+        'description'  => 'Save a backup in /root/yeswiki_backups folder before upgrading the yeswiki',
+        'defaultValue' => true
+      ],
       'depth' => [
         'prefix'       => 'd',
         'longPrefix'   => 'depth',
@@ -60,6 +66,7 @@ if ($isRoot) {
         try {
             $update = $climate->arguments->get('update');
             $output = $climate->arguments->get('output');
+            $backup = $climate->arguments->get('backup');
             $depth = $climate->arguments->get('depth');
             $matches = searchWikis($path, 'wakka.config.php', $depth);
             if (count($matches) == 0) {
@@ -87,11 +94,10 @@ if ($isRoot) {
                     } elseif ($wiki['RELEASE'] == $version) {
                         $climate->info('Skipping up-to-date wiki '.$wiki['URL']);
                     } else {
-                        $climate->info(upgradeWiki($destDir, $wiki['PATH']));
+                        $climate->info(upgradeWiki($destDir, $wiki['PATH'], $backup));
                     }
                 }
             } else { // show yeswiki list info
-                $climate->info(count($matches) . ' yeswikis found on ' . $path);
                 switch ($output) {
 
                     case 'table':