diff --git a/front/dropdown.form.php b/front/dropdown.form.php
index 2fe80de..63cf501 100644
--- a/front/dropdown.form.php
+++ b/front/dropdown.form.php
@@ -33,8 +33,7 @@
 // ----------------------------------------------------------------------
 
 
-define('GLPI_ROOT', '../../..');
-include (GLPI_ROOT . "/inc/includes.php");
+include ('../../../inc/includes.php');
 
 Plugin::load('example',true);
 
diff --git a/front/dropdown.php b/front/dropdown.php
index 12b10fb..395b837 100644
--- a/front/dropdown.php
+++ b/front/dropdown.php
@@ -33,8 +33,7 @@
 // ----------------------------------------------------------------------
 
 
-define('GLPI_ROOT', '../../..');
-include (GLPI_ROOT . "/inc/includes.php");
+include ('../../../inc/includes.php');
 
 Plugin::load('example',true);
 
diff --git a/front/example.php b/front/example.php
index e6163c0..461590b 100755
--- a/front/example.php
+++ b/front/example.php
@@ -32,8 +32,7 @@
 // Purpose of file:
 // ----------------------------------------------------------------------
 
-define('GLPI_ROOT', '../../..');
-include (GLPI_ROOT . "/inc/includes.php");
+include ('../../../inc/includes.php');
 
 if ($_SESSION["glpiactiveprofile"]["interface"] == "central") {
    Html::header("TITRE", $_SERVER['PHP_SELF'],"plugins","example","optionname");
diff --git a/front/popup.php b/front/popup.php
index 8857a89..ac6c491 100644
--- a/front/popup.php
+++ b/front/popup.php
@@ -27,8 +27,7 @@
  --------------------------------------------------------------------------
  */
 
-define('GLPI_ROOT', '../../..');
-include (GLPI_ROOT . "/inc/includes.php");
+include ('../../../inc/includes.php');
 
 Session::checkLoginUser();
 
diff --git a/front/ruletest.form.php b/front/ruletest.form.php
index 3b7ee41..b17a0a0 100644
--- a/front/ruletest.form.php
+++ b/front/ruletest.form.php
@@ -33,8 +33,7 @@
 // ----------------------------------------------------------------------
 
 
-define('GLPI_ROOT', '../../..');
-include (GLPI_ROOT . "/inc/includes.php");
+include ('../../../inc/includes.php');
 
 $rulecollection = new PluginExampleRuleTestCollection();
 
diff --git a/front/ruletest.php b/front/ruletest.php
index d8733e9..79e89e0 100644
--- a/front/ruletest.php
+++ b/front/ruletest.php
@@ -33,8 +33,7 @@
 // ----------------------------------------------------------------------
 
 
-define('GLPI_ROOT', '../../..');
-include (GLPI_ROOT . "/inc/includes.php");
+include ('../../../inc/includes.php');
 
 $rulecollection = new PluginExampleRuleTestCollection();