diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 35155f0eb61..68bba0e04b5 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -8117,7 +8117,7 @@ class Form
 				}
 
 				// Note: $val['checked'] <> 0 means we must show the field into the combo list
-				$listoffieldsforselection .= '<li><input type="checkbox" id="checkbox'.$key.'" value="'.$key.'"'.((empty($val['checked']) || $val['checked'] != '-1') ? '' : ' checked="checked"').'/><label for="checkbox'.$key.'">'.dol_escape_htmltag($langs->trans($val['label'])).'</label></li>';
+				$listoffieldsforselection .= '<li><input type="checkbox" id="checkbox'.$key.'" value="'.$key.'"'.((empty($val['checked']) || $val['checked'] == '-1') ? '' : ' checked="checked"').'/><label for="checkbox'.$key.'">'.dol_escape_htmltag($langs->trans($val['label'])).'</label></li>';
 				$listcheckedstring .= (empty($val['checked']) ? '' : $key.',');
 			}
 		}