diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index c6cf71fbe44..7de2938e299 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -202,9 +202,10 @@ class Form
 	 * @param	string	$paramid		Key of parameter for id ('id', 'socid')
 	 * @param	string	$gm				'auto' or 'tzuser' or 'tzuserrel' or 'tzserver' (when $typeofdata is a date)
 	 * @param	array	$moreoptions	Array with more options. For example array('addnowlink'=>1), array('valuealreadyhtmlescaped'=>1)
+	 * @param	string	$editaction		[=''] use GETPOST default action or set action to edit mode
 	 * @return  string					HTML edit field
 	 */
-	public function editfieldval($text, $htmlname, $value, $object, $perm, $typeofdata = 'string', $editvalue = '', $extObject = null, $custommsg = null, $moreparam = '', $notabletag = 1, $formatfunc = '', $paramid = 'id', $gm = 'auto', $moreoptions = array())
+	public function editfieldval($text, $htmlname, $value, $object, $perm, $typeofdata = 'string', $editvalue = '', $extObject = null, $custommsg = null, $moreparam = '', $notabletag = 1, $formatfunc = '', $paramid = 'id', $gm = 'auto', $moreoptions = array(), $editaction = '')
 	{
 		global $conf, $langs;
 
@@ -233,7 +234,10 @@ class Form
 		if (!empty($conf->global->MAIN_USE_JQUERY_JEDITABLE) && !preg_match('/^select;|day|datepicker|dayhour|datehourpicker/', $typeofdata)) { // TODO add jquery timepicker and support select
 			$ret .= $this->editInPlace($object, $value, $htmlname, $perm, $typeofdata, $editvalue, $extObject, $custommsg);
 		} else {
-			$editmode = (GETPOST('action', 'aZ09') == 'edit'.$htmlname);
+			if ($editaction == '') {
+				$editaction = GETPOST('action', 'aZ09');
+			}
+			$editmode = ($editaction == 'edit'.$htmlname);
 			if ($editmode) {
 				$ret .= "\n";
 				$ret .= '<form method="post" action="'.$_SERVER["PHP_SELF"].($moreparam ? '?'.$moreparam : '').'">';
diff --git a/htdocs/product/stock/productlot_card.php b/htdocs/product/stock/productlot_card.php
index acf2f526773..a39d92f93aa 100644
--- a/htdocs/product/stock/productlot_card.php
+++ b/htdocs/product/stock/productlot_card.php
@@ -469,7 +469,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 		print '<tr><td>';
 		print $form->editfieldkey($langs->trans('SellByDate'), 'sellby', $object->sellby, $object, $user->rights->stock->creer, 'datepicker');
 		print '</td><td>';
-		print $form->editfieldval($langs->trans('SellByDate'), 'sellby', $object->sellby, $object, $user->rights->stock->creer, 'datepicker');
+		print $form->editfieldval($langs->trans('SellByDate'), 'sellby', $object->sellby, $object, $user->rights->stock->creer, 'datepicker', '', null, null, '', 1, '', 'id', 'auto', array(), $action);
 		print '</td>';
 		print '</tr>';
 	}
@@ -479,7 +479,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 		print '<tr><td>';
 		print $form->editfieldkey($langs->trans('EatByDate'), 'eatby', $object->eatby, $object, $user->rights->stock->creer, 'datepicker');
 		print '</td><td>';
-		print $form->editfieldval($langs->trans('EatByDate'), 'eatby', $object->eatby, $object, $user->rights->stock->creer, 'datepicker');
+		print $form->editfieldval($langs->trans('EatByDate'), 'eatby', $object->eatby, $object, $user->rights->stock->creer, 'datepicker', '', null, null, '', 1, '', 'id', 'auto', array(), $action);
 		print '</td>';
 		print '</tr>';
 	}