diff --git a/lib/WebGUI/Operation/User.pm b/lib/WebGUI/Operation/User.pm
index b9a267910..82b7833ef 100644
--- a/lib/WebGUI/Operation/User.pm
+++ b/lib/WebGUI/Operation/User.pm
@@ -239,7 +239,7 @@ sub www_becomeUser {
 	return $session->privilege->adminOnly() unless ($session->user->isInGroup(3));
 	return unless WebGUI::User->validUserId($session, $session->form->process("uid"));
 	$session->var->end($session->var->get("sessionId"));
-	$session->var->start($session->form->process("uid"),$session->getId);
+	$session->user({userId=>$session->form->process("uid")});
 	return "";
 }