diff --git a/htdocs/contrat/card.php b/htdocs/contrat/card.php
index a1a38d04626..ae1178adf9a 100644
--- a/htdocs/contrat/card.php
+++ b/htdocs/contrat/card.php
@@ -3,7 +3,7 @@
  * Copyright (C) 2004-2014	Laurent Destailleur		<eldy@users.sourceforge.net>
  * Copyright (C) 2005-2014	Regis Houssin			<regis.houssin@capnetworks.com>
  * Copyright (C) 2006		Andre Cianfarani		<acianfa@free.fr>
- * Copyright (C) 2010-2015	Juanjo Menent			<jmenent@2byte.es>
+ * Copyright (C) 2010-2017	Juanjo Menent			<jmenent@2byte.es>
  * Copyright (C) 2013       Christophe Battarel     <christophe.battarel@altairis.fr>
  * Copyright (C) 2013-2014  Florian Henry		  	<florian.henry@open-concept.pro>
  * Copyright (C) 2014-2016	Ferran Marcet		  	<fmarcet@2byte.es>
@@ -753,6 +753,30 @@ if (empty($reshook))
 	else if ($action == 'confirm_valid' && $confirm == 'yes' && $user->rights->contrat->creer)
 	{
 	    $result = $object->validate($user);
+
+		if ($result > 0)
+		{
+			// Define output language
+			if (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE))
+			{
+				$outputlangs = $langs;
+				$newlang = '';
+				if ($conf->global->MAIN_MULTILANGS && empty($newlang) && GETPOST('lang_id','aZ09')) $newlang = GETPOST('lang_id','aZ09');
+				if ($conf->global->MAIN_MULTILANGS && empty($newlang))	$newlang = $object->thirdparty->default_lang;
+				if (! empty($newlang)) {
+					$outputlangs = new Translate("", $conf);
+					$outputlangs->setDefaultLang($newlang);
+				}
+				$model=$object->modelpdf;
+				$ret = $object->fetch($id); // Reload to get new records
+
+				$object->generateDocument($model, $outputlangs, $hidedetails, $hidedesc, $hideref);
+			}
+		}
+		else
+		{
+			setEventMessages($object->error, $object->errors, 'errors');
+		}
 	}
 
 	else if ($action == 'reopen' && $user->rights->contrat->creer)