--- a/Allura/allura/templates/widgets/lightbox.html
+++ b/Allura/allura/templates/widgets/lightbox.html
@@ -1,4 +1,4 @@
 <div id="lightbox_{{name}}" class="modal" style="display:none">
-  <b data-icon="{{g.icons['delete'].char}}" class="ico {{g.icons['delete'].css}} close"></b>
+  <b data-icon="{{g.icons['close'].char}}" class="ico {{g.icons['close'].css}} close"></b>
   {{content|safe}}
 </div>