diff --git a/core/module/config/view/backup/backup.js.php b/core/module/config/view/backup/backup.js.php
index cfa4a152..c6de6e3f 100644
--- a/core/module/config/view/backup/backup.js.php
+++ b/core/module/config/view/backup/backup.js.php
@@ -36,5 +36,14 @@ $( document).ready(function() {
             }
         });
     });
+
+    /**
+     * Avertissement de sauvegarde complète
+     */    
+    $("#configBackupSubmit").click(function(event) {
+        if( core.alert("Une sauvegarde complète pourra prendre du temps, merci de patienter.") ) {
+            event.preventDefault();
+        }
+    });
 });
 
diff --git a/core/module/config/view/restore/restore.js.php b/core/module/config/view/restore/restore.js.php
new file mode 100644
index 00000000..80e2c6d9
--- /dev/null
+++ b/core/module/config/view/restore/restore.js.php
@@ -0,0 +1,26 @@
+/**
+ * This file is part of Zwii.
+ *
+ * For full copyright and license information, please see the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @author Frédéric Tempez <frederic.tempez@outlook.com>
+ * @copyright Copyright (C) 2018-2021, Frédéric Tempez
+ * @license GNU General Public License, version 3
+ * @link http://zwiicms.fr/
+ */
+
+$( document).ready(function() {
+
+    $('body').css('cursor', 'default');
+
+    /**
+     * Avertissement de restauration
+     */    
+     $("#configRestoreSubmit").click(function(event) {
+        if( core.alert("Une restauration complète pourra prendre du temps, merci de patienter.") )
+            event.preventDefault();
+            $('body').css('cursor', 'wait');            
+    });
+    
+});
\ No newline at end of file