diff --git a/mod/data/field/multimenu/field.class.php b/mod/data/field/multimenu/field.class.php
index 3585b185866..e97cba1429e 100644
--- a/mod/data/field/multimenu/field.class.php
+++ b/mod/data/field/multimenu/field.class.php
@@ -52,12 +52,16 @@ class data_field_multimenu extends data_field_base {
$str = '
';
$str .= '
'; // hidden field - needed for empty selection
- $str .= '