diff --git a/lib/plugins/plugin/classes/ap_manage.class.php b/lib/plugins/plugin/classes/ap_manage.class.php
index 656b4762b5c7b50ea3e0619f8d0990505858f816..2982a3ebb0f5bd9d3e6be0771a36abc505eba238 100644
--- a/lib/plugins/plugin/classes/ap_manage.class.php
+++ b/lib/plugins/plugin/classes/ap_manage.class.php
@@ -121,7 +121,7 @@ class ap_manage {
 
         // update latest plugin date - FIXME
         global $ID;
-        send_redirect(wl($ID,array('do'=>'admin','page'=>'plugin'),true));
+        send_redirect(wl($ID,array('do'=>'admin','page'=>'plugin'),true, '&'));
     }
 
     /**