Index: /trunk/plugins/managesieve/managesieve.php
===================================================================
--- /trunk/plugins/managesieve/managesieve.php	(revision 5185)
+++ /trunk/plugins/managesieve/managesieve.php	(revision 5186)
@@ -108,4 +108,6 @@
         $this->rc->output->add_label('managesieve.newfilter', 'managesieve.usedata',
             'managesieve.nodata', 'managesieve.nextstep', 'save');
+
+        $this->rc->session->remove('managesieve_current');
     }