--- SimplePortlet/skins/SimplePortlet/portlet_topicportlet_macros.pt	2006-08-08 14:37:22.000000000 +0300
+++ SimplePortlet/skins/SimplePortlet/portlet_topicportlet_macros.pt	2007-01-08 11:01:21.000000000 +0200
@@ -18,7 +18,7 @@
           </dd>
           <tal:topic tal:define="topic portlet/getTopic;
                                  max_size portlet/getMaxResults;"
-                     tal:condition="topic">
+                     tal:condition="exists:topic">
             <tal:block 
                     define="data topic/queryCatalog;
                             total python:len(data);">