diff --git a/lib/browse/DocumentCollection.inc.php b/lib/browse/DocumentCollection.inc.php
index 6881619..131316b 100644
--- a/lib/browse/DocumentCollection.inc.php
+++ b/lib/browse/DocumentCollection.inc.php
@@ -27,6 +27,7 @@
 require_once(KT_LIB_DIR . "/templating/templating.inc.php"); 
 require_once(KT_LIB_DIR . "/documentmanagement/Document.inc"); 
 require_once(KT_LIB_DIR . "/foldermanagement/Folder.inc"); 
+require_once(KT_LIB_DIR . '/browse/PartialQuery.inc.php');
 
 class DocumentCollection {
    // handle the sorting, etc.
diff --git a/plugins/ktcore/KTWidgets.php b/plugins/ktcore/KTWidgets.php
index 73b7745..6efebc2 100644
--- a/plugins/ktcore/KTWidgets.php
+++ b/plugins/ktcore/KTWidgets.php
@@ -2,6 +2,7 @@
 
 require_once(KT_LIB_DIR . "/widgets/basewidget.inc.php");
 require_once(KT_LIB_DIR . "/templating/templating.inc.php");
+require_once(KT_LIB_DIR . '/browse/DocumentCollection.inc.php');
 
 class KTCoreStringWidget extends KTWidget {
     var $sNamespace = 'ktcore.widgets.string';
@@ -679,6 +680,7 @@ class KTCoreCollectionPage extends KTStandardDispatcher {
 
 
     function do_main() {
+
         $sCode = KTUtil::arrayGet($_REQUEST, 'code');
         $sName = KTUtil::arrayGet($_REQUEST, 'varname','fFolderId');        
         $oWidget = unserialize($_SESSION['collection_widgets'][$sCode]);