diff --git a/htdocs/admin/pdf.php b/htdocs/admin/pdf.php
index bd2d7782cef..e2a99441ea8 100644
--- a/htdocs/admin/pdf.php
+++ b/htdocs/admin/pdf.php
@@ -3,6 +3,7 @@
  * Copyright (C) 2004-2012 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2005-2011 Regis Houssin        <regis.houssin@inodbox.com>
  * Copyright (C) 2012-2107 Juanjo Menent		<jmenent@2byte.es>
+ * Copyright (C) 2019	   Ferran Marcet		<fmarcet@2byte.es>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -279,6 +280,12 @@ if ($action == 'edit')	// Edit
     print $form->selectyesno('MAIN_GENERATE_DOCUMENTS_HIDE_DETAILS', (! empty($conf->global->MAIN_GENERATE_DOCUMENTS_HIDE_DETAILS))?$conf->global->MAIN_GENERATE_DOCUMENTS_HIDE_DETAILS:0, 1);
     print '</td></tr>';
 
+	//Invert sender and recipient
+
+	print '<tr class="oddeven"><td>'.$langs->trans("SwapSenderAndRecipientOnPDF").'</td><td>';
+	print $form->selectyesno('MAIN_INVERT_SENDER_RECIPIENT',(! empty($conf->global->MAIN_INVERT_SENDER_RECIPIENT))?$conf->global->MAIN_INVERT_SENDER_RECIPIENT:0,1);
+	print '</td></tr>';
+
  	// Place customer adress to the ISO location
 
     print '<tr class="oddeven"><td>'.$langs->trans("PlaceCustomerAddressToIsoLocation").'</td><td>';
diff --git a/htdocs/core/class/html.formprojet.class.php b/htdocs/core/class/html.formprojet.class.php
index 8e01e93b66e..d47be50b3d0 100644
--- a/htdocs/core/class/html.formprojet.class.php
+++ b/htdocs/core/class/html.formprojet.class.php
@@ -153,7 +153,7 @@ class FormProjets
 		$outarray=array();
 
 		$hideunselectables = false;
-		if (! empty($conf->global->CONTRACT_HIDE_UNSELECTABLES)) $hideunselectables = true;
+		if (! empty($conf->global->PROJECT_HIDE_UNSELECTABLES)) $hideunselectables = true;
 
 		$projectsListId = false;
 		if (empty($user->rights->projet->all->lire))