diff --git a/core/model/modx/sources/modfilemediasource.class.php b/core/model/modx/sources/modfilemediasource.class.php
index c36c5f111c6..a7c1e7b94b7 100644
--- a/core/model/modx/sources/modfilemediasource.class.php
+++ b/core/model/modx/sources/modfilemediasource.class.php
@@ -220,6 +220,8 @@ public function getContainerList($path) {
 
                     if (in_array($ext, $imagesExts)) {
 
+                        $modAuth = $this->xpdo->user->getUserToken($this->xpdo->context->get('key'));
+
                         $imageWidth = $this->ctx->getOption('filemanager_image_width', 400);
                         $imageHeight = $this->ctx->getOption('filemanager_image_height', 300);
                         $thumbnailType = $this->getOption('thumbnailType', $properties, 'png');