diff --git a/fp-includes/core/core.bplustree.class.php b/fp-includes/core/core.bplustree.class.php
index 2c2e928..88be228 100755
--- a/fp-includes/core/core.bplustree.class.php
+++ b/fp-includes/core/core.bplustree.class.php
@@ -1562,6 +1562,9 @@ class BPlusTree {
 	var $fifo_enabled = false;
 	
 	var $file = null;
+	var $nodesize = null;
+	var $keylen = null;
+	var $position = null;
 
 	/**
 	 * constructor
diff --git a/fp-includes/core/core.plugins.php b/fp-includes/core/core.plugins.php
index 4eb25af..3241716 100644
--- a/fp-includes/core/core.plugins.php
+++ b/fp-includes/core/core.plugins.php
@@ -6,7 +6,8 @@ class plugin_indexer extends fs_filelister {
 	var $_varname = 'fp_plugins';
 
 	var $_enabledlist = null;
-
+	var $enabledlist = null;
+	
 	var $_directory = PLUGINS_DIR;
 
 	function __construct() {