diff --git a/_install.php b/_install.php
index d43cd06..c52e7f9 100644
--- a/_install.php
+++ b/_install.php
@@ -15,30 +15,14 @@ if (!defined('DC_CONTEXT_ADMIN')) {
 }
 
 try {
-    # Grab info
-    $mod_id      = basename(__DIR__);
-    $dc_min      = dcCore::app()->plugins->moduleInfo($mod_id, 'requires')[0][1];
-
     # Check installed version
-    if (version_compare(
-        dcCore::app()->getVersion($mod_id),
-        dcCore::app()->plugins->moduleInfo($mod_id, 'version'),
-        '>='
+    if (!dcCore::app()->newVersion(
+        basename(__DIR__), 
+        dcCore::app()->plugins->moduleInfo(basename(__DIR__), 'version')
     )) {
         return null;
     }
 
-    # Check Dotclear version
-    if (!method_exists('dcUtils', 'versionsCompare')
-        || dcUtils::versionsCompare(DC_VERSION, $dc_min, '<', false)
-    ) {
-        throw new Exception(sprintf(
-            '%s requires Dotclear %s',
-            $mod_id,
-            $dc_min
-        ));
-    }
-
     # Tables
     $t = new dbStruct(dcCore::app()->con, dcCore::app()->prefix);
 
@@ -61,8 +45,8 @@ try {
     $changes = $ti->synchronize($t);
 
     # Settings
-    dcCore::app()->blog->settings->addNamespace('periodical');
-    $s = dcCore::app()->blog->settings->periodical;
+    dcCore::app()->blog->settings->addNamespace(basename(__DIR__));
+    $s = dcCore::app()->blog->settings->__get(basename(__DIR__));
     $s->put('periodical_active', false, 'boolean', 'Enable extension', false, true);
     $s->put('periodical_upddate', true, 'boolean', 'Update post date', false, true);
     $s->put('periodical_updurl', false, 'boolean', 'Update post url', false, true);