diff --git a/bt5/erp5_access_tab/SkinTemplateItem/portal_skins/erp5_access_tab/erp5_site_main_template.xml b/bt5/erp5_access_tab/SkinTemplateItem/portal_skins/erp5_access_tab/erp5_site_main_template.xml
index 241424e89e0c6f123397c751ddec50369e60e08c..21f11d7a76e15c7438cfe8a0c16033d3cf8f27fb 100644
--- a/bt5/erp5_access_tab/SkinTemplateItem/portal_skins/erp5_access_tab/erp5_site_main_template.xml
+++ b/bt5/erp5_access_tab/SkinTemplateItem/portal_skins/erp5_access_tab/erp5_site_main_template.xml
@@ -77,7 +77,7 @@
               </div>\n
                 <p class="clear" />\n
               </div>\n
-              <tal:block tal:condition="python: getattr(here,\'portal_gadgets\', None)">\n
+              <tal:block tal:condition="python: getattr(here,\'portal_gadgets\', None) is not None">\n
                   <link href="erp5_knowledge_box_top_newpage.css" rel="stylesheet" type="text/css" />\n
                   <tal:block tal:condition="exists:here/ERP5Site_viewHomeAreaRenderer"\n
                             tal:replace="structure here/ERP5Site_viewHomeAreaRenderer" />\n
diff --git a/bt5/erp5_access_tab/bt/revision b/bt5/erp5_access_tab/bt/revision
index c5b431b6cba29540b4b284840ff229bce0460886..7003e7fe1fa0b91d6e034f2f7ac38f2f5989f85c 100644
--- a/bt5/erp5_access_tab/bt/revision
+++ b/bt5/erp5_access_tab/bt/revision
@@ -1 +1 @@
-50
\ No newline at end of file
+51
\ No newline at end of file