diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 51aaa132c0e..6987bc3e27a 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -6798,8 +6798,8 @@ class Form
// Add code for jquery to use multiselect
if (!empty($conf->global->MAIN_USE_JQUERY_MULTISELECT) || defined('REQUIRE_JQUERY_MULTISELECT')) {
- $out .= "\n".'
-