diff --git a/webservice/clienttools/services/0.9/auth.php b/webservice/clienttools/services/0.9/auth.php
index f611e23..00a5984 100644
--- a/webservice/clienttools/services/0.9/auth.php
+++ b/webservice/clienttools/services/0.9/auth.php
@@ -147,6 +147,7 @@ class auth extends client_service {
     	session_id($newSessId);
     	$this->Response->setStatus('session_id',$newSessId);
     	$this->setResponse(array('logout'=>true));
+    	session_destroy();
     	return true;
     }