diff --git a/lib/noticelistitem.php b/lib/noticelistitem.php
index 8fc2f13ca2..cfdcaf581c 100644
--- a/lib/noticelistitem.php
+++ b/lib/noticelistitem.php
@@ -167,6 +167,9 @@ class NoticeListItem extends Widget
             if ($this->notice->scope != 0 && $this->notice->scope != 1) {
                 $class .= ' limited-scope';
             }
+            if (!empty($this->notice->source)) {
+                $class .= ' notice-source-'.$this->notice->source;
+            }
             $this->out->elementStart('li', array('class' => $class,
                                                  'id' => 'notice-' . $id));
             Event::handle('EndOpenNoticeListItemElement', array($this));