diff --git a/product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/context_box_render.xml b/product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/context_box_render.xml
index 80f1569f143250fd682e36ae4e832dbecabb1dcb..1f9e591ffa10ed1f78074ea8fc04ea45c43bfce9 100644
--- a/product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/context_box_render.xml
+++ b/product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/context_box_render.xml
@@ -211,7 +211,7 @@
               <span class="image"></span>\n
               <span class="description" i18n:translate="" i18n:domain="ui">Previous</span>\n
             </a>\n
-            <a class="list_mode" title="List Mode" tal:attributes="href python: here.portal_selections.getSelectionListUrlFor(request[\'selection_name\'])"\n
+            <a class="list_mode" title="List Mode" tal:attributes="href python: here.portal_selections.getSelectionListUrlFor(request.get(\'selection_name\', None))"\n
                i18n:attributes="title" i18n:domain="ui">\n
               <span class="image"></span>\n
               <span class="description" i18n:translate="" i18n:domain="ui">List Mode</span>\n
@@ -244,7 +244,7 @@
             <span class="description" i18n:translate="" i18n:domain="ui">Show All</span>\n
           </button>\n
           <button type="submit" name="Folder_filter:method" title="Filter"\n
-                  tal:attributes="class python: here.portal_selections.getSelectionInvertModeFor(request[\'selection_name\']) and \'filter_on\' or \'filter\';"\n
+                  tal:attributes="class python: here.portal_selections.getSelectionInvertModeFor(request.get(\'selection_name\', None)) and \'filter_on\' or \'filter\';"\n
                   i18n:attributes="title" i18n:domain="ui">\n
             <span class="image"></span>\n
             <span class="description" i18n:translate="" i18n:domain="ui">Filter</span>\n
diff --git a/product/ERP5/bootstrap/erp5_xhtml_style/bt/revision b/product/ERP5/bootstrap/erp5_xhtml_style/bt/revision
index 7b376413385a84bfa25ca16d3be99b17b8880a4a..7e0a9d2ab79813cf0e9d5e837e7dfc8fd02de1b6 100644
--- a/product/ERP5/bootstrap/erp5_xhtml_style/bt/revision
+++ b/product/ERP5/bootstrap/erp5_xhtml_style/bt/revision
@@ -1 +1 @@
-836
\ No newline at end of file
+837
\ No newline at end of file