diff --git a/config/media-library.php b/config/media-library.php
index 10a3a60..dfa31e2 100644
--- a/config/media-library.php
+++ b/config/media-library.php
@@ -32,7 +32,7 @@
      * The disk on which to store added files and derived images by default. Choose
      * one or more of the disks you've configured in config/filesystems.php.
      */
-    'disk_name' => env('MEDIA_DISK', 'public'),
+    'disk_name' => env('FILESYSTEM_DISK', 'public'),
 
     /*
      * The maximum file size of an item in bytes.