diff --git a/upload/common.php b/upload/common.php
index ffa149f47..8db1f20f3 100644
--- a/upload/common.php
+++ b/upload/common.php
@@ -774,7 +774,14 @@ class cache_redis extends cache_common
 	{
 		if (!$this->connected) $this->connect();
 
-		return ($this->connected) ? $this->redis->del($this->prefix . $name) : false;
+		if ($name)
+		{
+			return ($this->connected) ? $this->redis->del($this->prefix . $name) : false;
+		}
+		else
+		{
+			return ($this->connected) ? $this->redis->flushdb() : false;
+		}
 	}
 
 	function is_installed ()
diff --git a/upload/config.php b/upload/config.php
index fe5dff4e1..1444d5145 100644
--- a/upload/config.php
+++ b/upload/config.php
@@ -56,7 +56,7 @@ $domain_name = (!empty($_SERVER['SERVER_NAME'])) ? $_SERVER['SERVER_NAME'] : $do
 
 // Increase number of revision after update
 $bb_cfg['tp_version'] = '2.5 Beta';
-$bb_cfg['tp_release_state'] = 'R439';
+$bb_cfg['tp_release_state'] = 'R440';
 $bb_cfg['tp_release_date'] = '06-07-2012';
 
 // Database