diff --git a/phpgwapi/inc/class.accounts.inc.php b/phpgwapi/inc/class.accounts.inc.php
index d2427f5e0c..9524bc2586 100644
--- a/phpgwapi/inc/class.accounts.inc.php
+++ b/phpgwapi/inc/class.accounts.inc.php
@@ -178,8 +178,7 @@ class accounts
 			$this->config = $backend;
 			$backend = null;
 			self::$_instance = $this;	// also set instance returned by singleton
-			unset(self::$cache);		// and empty our internal (session) cache
-			self::$cache = array();
+			self::$cache = array();		// and empty our internal (session) cache
 		}
 		else
 		{