diff --git a/tabellio/searchform/configure.zcml b/tabellio/searchform/configure.zcml
index aa6c585..44fd86b 100644
--- a/tabellio/searchform/configure.zcml
+++ b/tabellio/searchform/configure.zcml
@@ -21,19 +21,19 @@
      permission="zope2.View"/>
 
   <browser:page
-     for=".form.IFolderWithDocuments"
+     for="Products.CMFPlone.interfaces.IPloneSiteRoot"
      name="listAuthors"
      class=".form.ListAuthorsView"
      permission="zope2.View"/>
 
   <browser:page
-     for=".form.IFolderWithDocuments"
+     for="Products.CMFPlone.interfaces.IPloneSiteRoot"
      name="listPolgroups"
      class=".form.ListPolgroupsView"
      permission="zope2.View"/>
 
   <browser:page
-     for=".form.IFolderWithDocuments"
+     for="Products.CMFPlone.interfaces.IPloneSiteRoot"
      name="listTopics"
      class=".form.ListTopicsView"
      permission="zope2.View"/>
@@ -58,12 +58,6 @@
      template="docsearchpfb.pt"
      permission="zope2.View"/>
 
-  <browser:page
-     for=".form.IFolderWithPfbDocuments"
-     name="listAuthors"
-     class=".form.ListAuthorsView"
-     permission="zope2.View"/>
-
    <browser:page
      for="Products.CMFPlone.interfaces.IPloneSiteRoot"
      name="search2"
diff --git a/tabellio/searchform/form.py b/tabellio/searchform/form.py
index 581abb0..13e71b9 100644
--- a/tabellio/searchform/form.py
+++ b/tabellio/searchform/form.py
@@ -488,6 +488,9 @@ class GlobalSearchForm(form.Form):
 class SearchView(BrowserView):
     batch_macros = ViewPageTemplateFile('batch_macros.pt')
 
+    def portal_url(self):
+        return getToolByName(self.context, 'portal_url').getPortalPath()
+
     def db_connection(self):
         portal = getToolByName(self.context, 'portal_url').getPortalObject()
         return portal.db._wrapper.connection