From 9c35c8f5a9486a267ef6990149911fb6a2f96274 Mon Sep 17 00:00:00 2001
From: Flavio Copes <copesc@gmail.com>
Date: Thu, 2 Jun 2016 11:55:59 +0200
Subject: [PATCH] Fix #635 Activating a theme throw "Data type 'system' doesn't
 exist!" error

---
 classes/controller.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/controller.php b/classes/controller.php
index 14299fb1..ac997122 100644
--- a/classes/controller.php
+++ b/classes/controller.php
@@ -1179,7 +1179,7 @@ class AdminController
         $this->grav['themes']->get($name);
 
         // Store system configuration.
-        $system = $this->admin->data('system');
+        $system = $this->admin->data('config/system');
         $system->set('pages.theme', $name);
         $system->save();