diff --git a/system/src/Grav/Common/Page/Medium/Medium.php b/system/src/Grav/Common/Page/Medium/Medium.php
index 48912f3eb..cf15863cf 100644
--- a/system/src/Grav/Common/Page/Medium/Medium.php
+++ b/system/src/Grav/Common/Page/Medium/Medium.php
@@ -60,7 +60,7 @@ class Medium extends Data implements RenderableInterface
     {
         parent::__construct($items, $blueprint);
 
-        if (self::getGrav()['config']->get('media.enable_media_timestamp', true)) {
+        if (self::getGrav()['config']->get('system.media.enable_media_timestamp', true)) {
             $this->querystring('&' . self::getGrav()['cache']->getKey());
         }