diff --git a/CHANGELOG.md b/CHANGELOG.md
index b6e3935..411b294 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 periodical 2021.08.xx
  * update license
  * update php code to PSR-2 style and short array
+ * move settings to blog pref
 
 periodical 2013.11.11
  * Switch to Dotclear 2.6
diff --git a/_admin.php b/_admin.php
index e4e13fa..2b44989 100644
--- a/_admin.php
+++ b/_admin.php
@@ -15,7 +15,16 @@ if (!defined('DC_CONTEXT_ADMIN')) {
     return null;
 }
 
-$core->blog->settings->addNamespace('periodical'); 
+$core->blog->settings->addNamespace('periodical');
+
+$core->addBehavior(
+    'adminBlogPreferencesForm',
+    ['adminPeriodical', 'adminBlogPreferencesForm']
+);
+$core->addBehavior(
+    'adminBeforeBlogSettingsUpdate',
+    ['adminPeriodical', 'adminBeforeBlogSettingsUpdate']
+);
 
 if ($core->blog->settings->periodical->periodical_active) {
 
@@ -70,6 +79,73 @@ class adminPeriodical
 {
     public static $combo_period = null;
 
+    /**
+     * Add settings to blog preference
+     * 
+     * @param  dcCore       $core           dcCore instance
+     * @param  dcSettings   $blog_settings  dcSettings instance
+     */
+    public static function adminBlogPreferencesForm(dcCore $core, dcSettings $blog_settings)
+    {
+        $sortby_combo = [
+            __('Create date') => 'post_creadt',
+            __('Date') => 'post_dt',
+            __('Id') => 'post_id'
+        ];
+        $order_combo = [
+            __('Descending') => 'desc',
+            __('Ascending') => 'asc'
+        ];
+
+        $s_active = (boolean) $blog_settings->periodical->periodical_active;
+        $s_upddate = (boolean) $blog_settings->periodical->periodical_upddate;
+        $s_updurl = (boolean) $blog_settings->periodical->periodical_updurl;
+        $e_order = (string) $blog_settings->periodical->periodical_pub_order;
+        $e_order = explode(' ', $e_order);
+        $s_sortby = in_array($e_order[0], $sortby_combo) ? $e_order[0] : 'post_dt';
+        $s_order = isset($e_order[1]) && strtolower($e_order[1]) == 'desc' ? 'desc' : 'asc';
+
+        echo
+        '<div class="fieldset"><h4 id="fac_params">' . __('Periodical') . '</h4>' .
+        '<div class="two-cols">' .
+        '<div class="col">' .
+        '<h5>' . __('Activation') . '</h5>' .
+        '<p><label class="classic" for="periodical_active">' .
+        form::checkbox('periodical_active', 1, $s_active) .
+        __('Enable plugin') . '</label></p>' .
+        '<h5>' . __('Dates of published entries') . '</h5>' .
+        '<p><label for="periodical_upddate">' .
+        form::checkbox('periodical_upddate', 1, $s_upddate) .
+        __('Update post date') . '</label></p>' .
+        '<p><label for="periodical_updurl">' .
+        form::checkbox('periodical_updurl', 1, $s_updurl) .
+        __('Update post url') . '</label></p>' .
+        '</div>' .
+        '<div class="col">' .
+        '<h5>' . __('Order of publication of entries') . '</h5>' .
+        '<p><label for="periodical_sortby">'.__('Order by:') . '</label>' .
+        form::combo('periodical_sortby', $sortby_combo, $s_sortby) . '</p>' .
+        '<p><label for="periodical_order">'.__('Sort:').'</label>' .
+        form::combo('periodical_order', $order_combo, $s_order) . '</p>' .
+        '</div>' .
+        '</div>' .
+        '<br class="clear" />' .
+        '</div>';
+    }
+
+    /**
+     * Save blog settings
+     * 
+     * @param  dcSettings   $blog_settings  dcSettings instance
+     */
+    public static function adminBeforeBlogSettingsUpdate(dcSettings $blog_settings)
+    {
+        $blog_settings->periodical->put('periodical_active', !empty($_POST['periodical_active']));
+        $blog_settings->periodical->put('periodical_upddate', !empty($_POST['periodical_upddate']));
+        $blog_settings->periodical->put('periodical_updurl', !empty($_POST['periodical_updurl']));
+        $blog_settings->periodical->put('periodical_pub_order', $_POST['periodical_sortby'] . ' ' . $_POST['periodical_order']);
+    }
+
     /**
      * Favorites.
      *
diff --git a/_config.php b/_config.php
deleted file mode 100644
index 7c1ab18..0000000
--- a/_config.php
+++ /dev/null
@@ -1,105 +0,0 @@
-<?php
-# -- BEGIN LICENSE BLOCK ----------------------------------
-#
-# This file is part of periodical, a plugin for Dotclear 2.
-# 
-# Copyright (c) 2009-2021 Jean-Christian Denis and contributors
-# 
-# Licensed under the GPL version 2.0 license.
-# A copy of this license is available in LICENSE file or at
-# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
-#
-# -- END LICENSE BLOCK ------------------------------------
-
-if (!defined('DC_CONTEXT_MODULE')) {
-    return null;
-}
-
-$redir = empty($_REQUEST['redir']) ? 
-    $list->getURL() . '#plugins' : $_REQUEST['redir'];
-
-# -- Combos --
-$sortby_combo = [
-    __('Create date') => 'post_creadt',
-    __('Date') => 'post_dt',
-    __('Id') => 'post_id'
-];
-$order_combo = [
-    __('Descending') => 'desc',
-    __('Ascending') => 'asc'
-];
-
-# -- Get settings --
-$core->blog->settings->addNamespace('periodical');
-$s = $core->blog->settings->periodical;
-
-$s_active = (boolean) $s->periodical_active;
-$s_upddate = (boolean) $s->periodical_upddate;
-$s_updurl = (boolean) $s->periodical_updurl;
-$e_order = (string) $s->periodical_pub_order;
-$e_order = explode(' ', $e_order);
-$s_sortby = in_array($e_order[0], $sortby_combo) ? $e_order[0] : 'post_dt';
-$s_order = isset($e_order[1]) && strtolower($e_order[1]) == 'desc' ? 'desc' : 'asc';
-
-# -- Set settings --
-if (!empty($_POST['save'])) {
-    try {
-        $s_active = !empty($_POST['s_active']);
-        $s_upddate = !empty($_POST['s_upddate']);
-        $s_updurl = !empty($_POST['s_updurl']);
-        $s_sortby = $_POST['s_sortby'];
-        $s_order = $_POST['s_order'];
-
-        $s->put('periodical_active', $s_active);
-        $s->put('periodical_upddate', $s_upddate);
-        $s->put('periodical_updurl', $s_updurl);
-        $s->put('periodical_pub_order', $s_sortby . ' ' . $s_order);
-
-        $core->blog->triggerBlog();
-
-        dcPage::addSuccessNotice(
-            __('Configuration has been successfully updated.')
-        );
-        http::redirect($list->getURL(
-            'module=periodical&conf=1&redir=' . $list->getRedir()
-        ));
-    } catch (Exception $e) {
-        $core->error->add($e->getMessage());
-    }
-}
-
-# -- Display form --
-echo '
-
-<div class="fieldset">
-<h4>' . __('Activation') . '</h4>
-
-<p><label class="classic" for="s_active">' .
-form::checkbox('s_active', 1, $s_active) .
-__('Enable plugin') . '</label></p>
-
-</div>
-
-<div class="fieldset">
-<h4>' . __('Dates of published entries') . '</h4>
-
-<p><label for="s_upddate">' .
-form::checkbox('s_upddate', 1, $s_upddate) .
-__('Update post date') . '</label></p>
-
-<p><label for="s_updurl">' .
-form::checkbox('s_updurl', 1, $s_updurl) .
-__('Update post url') . '</label></p>
-
-</div>
-
-<div class="fieldset">
-<h4>' . __('Order of publication of entries') . '</h4>
-
-<p><label for="s_sortby">'.__('Order by:') . '</label>' .
-form::combo('s_sortby', $sortby_combo, $s_sortby) . '</p>
-
-<p><label for="s_order">'.__('Sort:').'</label>' .
-form::combo('s_order', $order_combo, $s_order) . '</p>
-
-</div>';
\ No newline at end of file
diff --git a/index.php b/index.php
index 830c448..4706c10 100644
--- a/index.php
+++ b/index.php
@@ -812,9 +812,6 @@ dcPage::helpBlock('periodical');
 # Page footer
 echo 
 '<hr class="clear"/><p class="right modules">
-<a class="module-config" ' .
-'href="plugins.php?module=periodical&amp;conf=1&amp;redir=' .
-urlencode('plugin.php?p=periodical') . '">' . __('Configuration') . '</a> - 
 periodical - '. $core->plugins->moduleInfo('periodical', 'version') . '&nbsp;
 <img alt="' . __('periodical') . '" src="index.php?pf=periodical/icon.png" />
 </p>