diff --git a/include/staff/templates/advanced-search.tmpl.php b/include/staff/templates/advanced-search.tmpl.php
index bb6153383b2f41063dc7084ce67ae281f4e5c1b7..57e9a510e69d60c706c10f81a2f778c9d1b6d8b4 100644
--- a/include/staff/templates/advanced-search.tmpl.php
+++ b/include/staff/templates/advanced-search.tmpl.php
@@ -29,7 +29,7 @@ foreach ($form->getFields() as $name=>$field) { ?>
 ?>
 <div id="extra-fields"></div>
 <hr/>
-<select id="search-add-new-field" name="new-field" style="max-width: 100%;">
+<select id="search-add-new-field" name="new-field" style="max-width: 300px;">
     <option value="">— <?php echo __('Add Other Field'); ?> —</option>
 <?php
 foreach ($matches as $name => $fields) { ?>