diff --git a/library/FileHandler.php b/library/FileHandler.php
index d09ac9f..c13fb92 100644
--- a/library/FileHandler.php
+++ b/library/FileHandler.php
@@ -11,6 +11,7 @@ class Webgrind_FileHandler
 {
 
     private static $singleton = null;
+    private $files;
 
 
     /**
diff --git a/library/Reader.php b/library/Reader.php
index 3742131..c128545 100644
--- a/library/Reader.php
+++ b/library/Reader.php
@@ -61,6 +61,13 @@ class Webgrind_Reader
      */
     private $costFormat;
 
+    /**
+     * Filehandle for opened datafile
+     *
+     * @var resource
+     */
+    private $fp;
+
 
     /**
      * Constructor