diff --git a/plugins/kolab_notes/kolab_notes.php b/plugins/kolab_notes/kolab_notes.php
index b472d2a4..6471de1f 100644
--- a/plugins/kolab_notes/kolab_notes.php
+++ b/plugins/kolab_notes/kolab_notes.php
@@ -60,7 +60,7 @@ class kolab_notes extends rcube_plugin
     public function startup($args)
     {
         // the notes module can be enabled/disabled by the kolab_auth plugin
-        if ($this->rc->config->get('notes_disabled', false) || !$this->rc->config->get('notes_enabled', true)) {
+        if ($this->rc->config->get('kolab_notes_disabled', false) || !$this->rc->config->get('kolab_notes_enabled', true)) {
             return;
         }