diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 1a15abe53bc..a672709cc48 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -5115,10 +5115,12 @@ class Form
 						$i = 0;
 						foreach ($input['values'] as $selkey => $selval) {
 							$more .= '<div class="tagtr">';
-							if ($i == 0) {
-								$more .= '<div class="tagtd'.(empty($input['tdclass']) ? ' tdtop' : (' tdtop '.$input['tdclass'])).'">'.$input['label'].'</div>';
-							} else {
-								$more .= '<div clas="tagtd'.(empty($input['tdclass']) ? '' : (' "'.$input['tdclass'])).'">&nbsp;</div>';
+							if (isset($input['label'])) {
+								if ($i == 0) {
+									$more .= '<div class="tagtd'.(empty($input['tdclass']) ? ' tdtop' : (' tdtop '.$input['tdclass'])).'">'.$input['label'].'</div>';
+								} else {
+									$more .= '<div clas="tagtd'.(empty($input['tdclass']) ? '' : (' "'.$input['tdclass'])).'">&nbsp;</div>';
+								}
 							}
 							$more .= '<div class="tagtd'.($i == 0 ? ' tdtop' : '').'"><input type="radio" class="flat'.$morecss.'" id="'.dol_escape_htmltag($input['name'].$selkey).'" name="'.dol_escape_htmltag($input['name']).'" value="'.$selkey.'"'.$moreattr;
 							if (!empty($input['disabled'])) {