diff --git a/htdocs/fichinter/card.php b/htdocs/fichinter/card.php
index 28878443518..dd49ebda3ab 100644
--- a/htdocs/fichinter/card.php
+++ b/htdocs/fichinter/card.php
@@ -2,7 +2,7 @@
 /* Copyright (C) 2002-2007	Rodolphe Quiedeville	<rodolphe@quiedeville.org>
  * Copyright (C) 2004-2016	Laurent Destailleur		<eldy@users.sourceforge.net>
  * Copyright (C) 2005-2018	Regis Houssin			<regis.houssin@inodbox.com>
- * Copyright (C) 2011-2017  Juanjo Menent			<jmenent@2byte.es>
+ * Copyright (C) 2011-2020  Juanjo Menent			<jmenent@2byte.es>
  * Copyright (C) 2013       Florian Henry           <florian.henry@open-concept.pro>
  * Copyright (C) 2014-2018  Ferran Marcet           <fmarcet@2byte.es>
  * Copyright (C) 2014-2018  Charlene Benke          <charlies@patas-monkey.com>
@@ -609,7 +609,7 @@ if (empty($reshook))
 		}
 		$object->fetch_thirdparty();
 
-		$desc = GETPOST('np_desc');
+		$desc = GETPOST('np_desc','alpha');
 		$date_inter = dol_mktime(GETPOST('dihour', 'int'), GETPOST('dimin', 'int'), 0, GETPOST('dimonth', 'int'), GETPOST('diday', 'int'), GETPOST('diyear', 'int'));
 		$duration = convertTime2Seconds(GETPOST('durationhour', 'int'), GETPOST('durationmin', 'int'));