diff --git a/htdocs/eventorganization/conferenceorbooth_contact.php b/htdocs/eventorganization/conferenceorbooth_contact.php
index 62bd64441b5..2c304bd8562 100644
--- a/htdocs/eventorganization/conferenceorbooth_contact.php
+++ b/htdocs/eventorganization/conferenceorbooth_contact.php
@@ -22,17 +22,18 @@
  *  \brief      Tab for contacts linked to ConferenceOrBooth
  */
 
+
+// Load Dolibarr environment
 require '../main.inc.php';
 
-require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
+require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
+require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/eventorganization/class/conferenceorbooth.class.php';
 require_once DOL_DOCUMENT_ROOT.'/eventorganization/lib/eventorganization_conferenceorbooth.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
-require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
-require_once DOL_DOCUMENT_ROOT.'/eventorganization/class/conferenceorbooth.class.php';
-require_once DOL_DOCUMENT_ROOT.'/eventorganization/lib/eventorganization_conferenceorbooth.lib.php';
-require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
+
 
 // Load translation files required by the page
 $langs->loadLangs(array('companies', 'eventorganization', 'mails', 'others', 'projects'));