diff --git a/_init.php b/_init.php
new file mode 100644
index 0000000..719156f
--- /dev/null
+++ b/_init.php
@@ -0,0 +1,20 @@
+<?php
+/**
+ * @brief postWidgetText, a plugin for Dotclear 2
+ *
+ * @package Dotclear
+ * @subpackage Plugin
+ *
+ * @author Jean-Christian Denis and Contributors
+ *
+ * @copyright Jean-Christian Denis
+ * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
+ */
+if (!defined('DC_RC_PATH')) {
+    return null;
+}
+
+class initPostWidgetText
+{
+    public const PWT_TABLE_NAME = 'post_option';
+}
diff --git a/_install.php b/_install.php
index f647767..58d45ef 100644
--- a/_install.php
+++ b/_install.php
@@ -14,18 +14,19 @@ if (!defined('DC_CONTEXT_ADMIN')) {
     return null;
 }
 
-$new_version = dcCore::app()->plugins->moduleInfo('postWidgetText', 'version');
-$old_version = dcCore::app()->getVersion('postWidgetText');
-
-if (version_compare($old_version, $new_version, '>=')) {
-    return;
-}
-
 try {
+    # Grab info
+    $mod_id = basename(__DIR__);
+
+    # check installed version
+    if (version_compare(dcCore::app()->getVersion($mod_id), $new_version, '>=')) {
+        return;
+    }
+
     # Table is the same for plugins
     # pollsFactory, postTask, postWidgetText
     $s = new dbStruct(dcCore::app()->con, dcCore::app()->prefix);
-    $s->post_option
+    $s->{initPostWidgetText::PWT_TABLE_NAME}
         ->option_id('bigint', 0, false)
         ->post_id('bigint', 0, false)
         ->option_creadt('timestamp', 0, false, 'now()')
@@ -64,14 +65,14 @@ try {
     );
 
     # Transfert records from old table to the new one
-    if (dcCore::app()->getVersion('postWidgetText') !== null
-     && version_compare(dcCore::app()->getVersion('postWidgetText'), '0.5', '<')
+    if (dcCore::app()->getVersion($mod_id) !== null
+     && version_compare(dcCore::app()->getVersion($mod_id), '0.5', '<')
     ) {
         require_once __DIR__ . '/inc/patch.0.5.php';
     }
 
     # Set module version
-    dcCore::app()->setVersion('postWidgetText', $new_version);
+    dcCore::app()->setVersion($mod_id, $new_version);
 
     return true;
 } catch (Exception $e) {
diff --git a/inc/class.postwidgettext.php b/inc/class.postwidgettext.php
index b6f3d7e..0abacb6 100644
--- a/inc/class.postwidgettext.php
+++ b/inc/class.postwidgettext.php
@@ -28,7 +28,7 @@ class postWidgetText
     public function __construct()
     {
         $this->con   = dcCore::app()->con;
-        $this->table = dcCore::app()->prefix . 'post_option';
+        $this->table = dcCore::app()->prefix . initPostWidgetText::PWT_TABLE_NAME;
         $this->blog  = dcCore::app()->con->escape(dcCore::app()->blog->id);
     }
 
diff --git a/inc/lib.pwt.admin.php b/inc/lib.pwt.admin.php
index 5fc7331..cad41ff 100644
--- a/inc/lib.pwt.admin.php
+++ b/inc/lib.pwt.admin.php
@@ -186,8 +186,8 @@ class adminPostWidgetText
             'postwidgettext',
             'SELECT option_type, option_content, ' .
             'option_content_xhtml, W.post_id ' .
-            'FROM ' . dcCore::app()->prefix . 'post_option W ' .
-            'LEFT JOIN ' . dcCore::app()->prefix . 'post P ' .
+            'FROM ' . dcCore::app()->prefix . initPostWidgetText::PWT_TABLE_NAME . ' W ' .
+            'LEFT JOIN ' . dcCore::app()->prefix . dcBlog::POST_TABLE_NAME . ' P ' .
             'ON P.post_id = W.post_id ' .
             "WHERE P.blog_id = '" . $blog_id . "' " .
             "AND W.option_type = 'postwidgettext' "
@@ -200,8 +200,8 @@ class adminPostWidgetText
             'postwidgettext',
             'SELECT option_type, option_content, ' .
             'option_content_xhtml, W.post_id ' .
-            'FROM ' . dcCore::app()->prefix . 'post_option W ' .
-            'LEFT JOIN ' . dcCore::app()->prefix . 'post P ' .
+            'FROM ' . dcCore::app()->prefix . initPostWidgetText::PWT_TABLE_NAME . ' W ' .
+            'LEFT JOIN ' . dcCore::app()->prefix . dcBlog::POST_TABLE_NAME . ' P ' .
             'ON P.post_id = W.post_id ' .
             "WHERE W.option_type = 'postwidgettext' "
         );
@@ -210,7 +210,7 @@ class adminPostWidgetText
     public static function importInit($bk, dcCore $core)
     {
         $bk->cur_postwidgettext = dcCore::app()->con->openCursor(
-            dcCore::app()->prefix . 'post_option'
+            dcCore::app()->prefix . initPostWidgetText::PWT_TABLE_NAME
         );
         $bk->postwidgettext = new postWidgetText();
     }
diff --git a/inc/patch.0.5.php b/inc/patch.0.5.php
index e8954ac..d50e219 100644
--- a/inc/patch.0.5.php
+++ b/inc/patch.0.5.php
@@ -12,16 +12,16 @@
  */
 $records = dcCore::app()->con->select(
     'SELECT W.*, P.post_lang, P.post_format FROM ' . dcCore::app()->prefix . 'post_wtext W ' .
-    'LEFT JOIN ' . dcCore::app()->prefix . 'post P ON P.post_id=W.post_id '
+    'LEFT JOIN ' . dcCore::app()->prefix . dcBlog::POST_TABLE_NAME . ' P ON P.post_id=W.post_id '
 );
 if (!$records->isEmpty()) {
-    $cur = dcCore::app()->con->openCursor(dcCore::app()->prefix . 'post_option');
+    $cur = dcCore::app()->con->openCursor(dcCore::app()->prefix . initPostWidgetText::PWT_TABLE_NAME);
     while ($records->fetch()) {
-        dcCore::app()->con->writeLock(dcCore::app()->prefix . 'post_option');
+        dcCore::app()->con->writeLock(dcCore::app()->prefix . initPostWidgetText::PWT_TABLE_NAME);
 
         try {
             $id = dcCore::app()->con->select(
-                'SELECT MAX(option_id) FROM ' . dcCore::app()->prefix . 'post_option'
+                'SELECT MAX(option_id) FROM ' . dcCore::app()->prefix . initPostWidgetText::PWT_TABLE_NAME
             )->f(0) + 1;
 
             $cur->clean();