diff --git a/components/D3Files.php b/components/D3Files.php
index 3a73bac..ea4946d 100755
--- a/components/D3Files.php
+++ b/components/D3Files.php
@@ -232,7 +232,7 @@ public static function copyFilesBetweenModels(ActiveRecord $modelFrom, ActiveRec
     /**
      * @return mixed|object|null
      */
-    public function isNotesEnabled()
+    public static function isNotesEnabled()
     {
         return Yii::$app->getModule('d3files')->enableNotes;
     }