diff --git a/Classes/ViewHelpers/Be/ThumbnailViewHelper.php b/Classes/ViewHelpers/Be/ThumbnailViewHelper.php
index 0fa73a2..bcdeb65 100644
--- a/Classes/ViewHelpers/Be/ThumbnailViewHelper.php
+++ b/Classes/ViewHelpers/Be/ThumbnailViewHelper.php
@@ -49,7 +49,7 @@ class ThumbnailViewHelper extends AbstractViewHelper
         $row = $this->arguments['row'];
 
         $fileReferences = BackendUtility::resolveFileReferences($table, $field, $row);
-        $fileObject = is_array($fileReferences) ? $fileReferences[0]->getOriginalFile() : null;
+        $fileObject = is_array($fileReferences) ? current($fileReferences)->getOriginalFile() : null;
 
         if ($fileObject && $fileObject->isMissing()) {
             /** @var IconFactory $iconFactory */