diff --git a/_install.php b/_install.php
new file mode 100644
index 0000000..8ac3be3
--- /dev/null
+++ b/_install.php
@@ -0,0 +1,20 @@
+<?php
+/**
+ * @brief whiteListCom, a plugin for Dotclear 2
+ *
+ * @package Dotclear
+ * @subpackage Plugin
+ *
+ * @author Jean-Christian Denis
+ *
+ * @copyright Jean-Christian Denis
+ * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
+ */
+declare(strict_types=1);
+
+$install = implode('\\', ['Dotclear', 'Plugin', basename(__DIR__), 'Install']);
+if ($install::init()) {
+    return $install::process();
+}
+
+return null;
diff --git a/inc/Install.php b/inc/Install.php
new file mode 100644
index 0000000..76aafb3
--- /dev/null
+++ b/inc/Install.php
@@ -0,0 +1,110 @@
+<?php
+/**
+ * @brief pacKman, a plugin for Dotclear 2
+ *
+ * @package Dotclear
+ * @subpackage Plugin
+ *
+ * @author Jean-Christian Denis
+ *
+ * @copyright Jean-Christian Denis
+ * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
+ */
+declare(strict_types=1);
+
+namespace Dotclear\Plugin\whiteListCom;
+
+/* dotclear ns */
+use dcCore;
+use dcNamespace;
+
+/* php ns */
+use Exception;
+
+class Install
+{
+    // Module specs
+    private static $mod_conf = [
+        [
+            'unmoderated',
+            '[]',
+            'string',
+            'Whitelist of unmoderated users on comments',
+        ],
+        [
+            'reserved',
+            '[]',
+            'string',
+            'Whitelist of reserved names on comments',
+        ],
+    ];
+
+    // Nothing to change below
+    private static $pid    = '';
+    protected static $init = false;
+
+    public static function init(): bool
+    {
+        self::$pid  = basename(dirname(__DIR__));
+        self::$init = defined('DC_CONTEXT_ADMIN') && dcCore::app()->newVersion(self::$pid, dcCore::app()->plugins->moduleInfo(self::$pid, 'version'));
+
+        return self::$init;
+    }
+
+    public static function process(): ?bool
+    {
+        if (!self::$init) {
+            return false;
+        }
+
+        try {
+            // Upgrade
+            self::growUp();
+
+            // Set module settings
+            foreach (self::$mod_conf as $v) {
+                dcCore::app()->blog->settings->__get(self::$pid)->put(
+                    $v[0],
+                    $v[1],
+                    $v[2],
+                    $v[3],
+                    false,
+                    true
+                );
+            }
+
+            return true;
+        } catch (Exception $e) {
+            dcCore::app()->error->add($e->getMessage());
+
+            return false;
+        }
+    }
+
+    public static function growUp(): void
+    {
+        $current = dcCore::app()->getVersion(self::$pid);
+
+        // Update settings id, ns
+        if ($current && version_compare($current, '1.0', '<')) {
+            $record = dcCore::app()->con->select(
+                'SELECT * FROM ' . dcCore::app()->prefix . dcNamespace::NS_TABLE_NAME . ' ' .
+                "WHERE setting_ns = 'whiteListCom' "
+            );
+
+            while ($record->fetch()) {
+                if (preg_match('/^whiteListCom(.*?)$/', $record->setting_id, $match)) {
+                    $value              = @unserialize(@base64_decode($x));
+                    $cur                = dcCore::app()->con->openCursor(dcCore::app()->prefix . dcNamespace::NS_TABLE_NAME);
+                    $cur->setting_id    = $match[1];
+                    $cur->setting_ns    = self::$pid;
+                    $cur->setting_value = is_array($value) ? json_encode($value) : '[]';
+                    $cur->update(
+                        "WHERE setting_id = '" . $record->setting_id . "' and setting_ns = 'whiteListCom' " .
+                        'AND blog_id ' . (null === $record->blog_id ? 'IS NULL ' : ("= '" . dcCore::app()->con->escape($record->blog_id) . "' "))
+                    );
+                }
+            }
+        }
+    }
+}
diff --git a/inc/Prepend.php b/inc/Prepend.php
index 399beda..38683a6 100644
--- a/inc/Prepend.php
+++ b/inc/Prepend.php
@@ -26,6 +26,7 @@ class Prepend
         'Core',
         'UnmoderatedWhiteList',
         'ReservedWhiteList',
+        'Install',
         'Prepend',
     ];
     protected static $init = false;