diff --git a/lib/storage/ondiskpathstoragemanager.inc.php b/lib/storage/ondiskpathstoragemanager.inc.php
index cbf3144..35242f7 100644
--- a/lib/storage/ondiskpathstoragemanager.inc.php
+++ b/lib/storage/ondiskpathstoragemanager.inc.php
@@ -73,6 +73,15 @@ class KTOnDiskPathStorageManager extends KTStorageManager {
         $sStoragePath = sprintf("%s/%s", Document::_generateFolderPath($oDocument->getFolderID()), $oDocument->getFileName());
         return $sStoragePath;
     }
+
+    function temporaryFile(&$oDocument) {
+        $oConfig =& KTConfig::getSingleton();
+        return sprintf("%s/%s", $oConfig->get('urls/documentRoot'), $this->getPath($oDocument));
+    }
+
+    function freeTemporaryFile($sPath) {
+        return;
+    }
     
     function download($oDocument) {
         //get the path to the document on the server