diff --git a/object-cache.php b/object-cache.php
index b0b4d0f..08ef807 100644
--- a/object-cache.php
+++ b/object-cache.php
@@ -197,6 +197,13 @@ class WP_Object_Cache {
 	var $size_total = 0;
 	var $slow_op_microseconds = 0.005; // 5 ms
 
+	var $global_prefix = '';
+	var $blog_prefix   = '';
+	var $key_salt      = '';
+	var $cache_hits    = 0;
+	var $cache_misses  = 0;
+	var $time_start    = 0;
+
 	function add( $id, $data, $group = 'default', $expire = 0 ) {
 		$key = $this->key( $id, $group );
 
@@ -1105,7 +1112,7 @@ function __construct() {
 		global $blog_id, $table_prefix;
 
 		$this->global_prefix = '';
-		$this->blog_prefix  = '';
+		$this->blog_prefix   = '';
 
 		if ( function_exists( 'is_multisite' ) ) {
 			$this->global_prefix = ( is_multisite() || defined( 'CUSTOM_USER_TABLE' ) && defined( 'CUSTOM_USER_META_TABLE' ) ) ? '' : $table_prefix;