diff --git a/public_html/includes/js/LSform.js b/public_html/includes/js/LSform.js
index 20c11f08..a6e18a83 100644
--- a/public_html/includes/js/LSform.js
+++ b/public_html/includes/js/LSform.js
@@ -244,8 +244,10 @@ var LSform = new Class({
dd.injectAfter(this.getParent());
},ul);
- var dt = ul.getParent().getPrevious('dt');
- dt.addClass('LSform-errors');
+ var dt = ul.getParent('dd.LSform').getPrevious('dt');
+ if ($type(dt)) {
+ dt.addClass('LSform-errors');
+ }
var layout = ul.getParent('div.LSform_layout_active');
if ($type(layout)) {