diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 8ba38b81edb..38b9d060e7f 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -19,6 +19,7 @@
  * Copyright (C) 2018       Ferran Marcet           <fmarcet@2byte.es>
  * Copyright (C) 2018       Frédéric France         <frederic.france@netlogic.fr>
  * Copyright (C) 2018       Nicolas ZABOURI	        <info@inovea-conseil.com>
+ * Copyright (C) 2018       Christophe Battarel     <christophe@altairis.fr>
  *
  * 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
@@ -2131,6 +2132,11 @@ class Form
 				if ($i > 0) $sql.=" AND ";
 				$sql.="(p.ref LIKE '".$db->escape($prefix.$crit)."%' OR p.label LIKE '".$db->escape($prefix.$crit)."%'";
 				if (! empty($conf->global->MAIN_MULTILANGS)) $sql.=" OR pl.label LIKE '".$db->escape($prefix.$crit)."%'";
+				if (!empty($conf->global->PRODUCT_AJAX_SEARCH_ON_DESCRIPTION))
+				{
+					$sql.=" OR p.description LIKE '".$db->escape($prefix.$crit)."%'";
+					if (! empty($conf->global->MAIN_MULTILANGS)) $sql.=" OR pl.description LIKE '".$db->escape($prefix.$crit)."%'";
+				}
 				if (! empty($conf->global->MAIN_SEARCH_PRODUCT_BY_FOURN_REF)) $sql.=" OR pfp.ref_fourn LIKE '".$db->escape($prefix.$crit)."%'";
 				$sql.=")";
 				$i++;