diff --git a/typo3/sysext/filelist/Classes/Controller/FileListController.php b/typo3/sysext/filelist/Classes/Controller/FileListController.php
index 7b0cc892d60deef26efcdf83baec0e13a7e7e2ae..3671b289c71c836102041d7ad3e3893b38b3ef57 100644
--- a/typo3/sysext/filelist/Classes/Controller/FileListController.php
+++ b/typo3/sysext/filelist/Classes/Controller/FileListController.php
@@ -454,7 +454,7 @@ class FileListController implements LoggerAwareInterface
             $this->view->assign('drapUploader', [
                 'fileDenyPattern' => $GLOBALS['TYPO3_CONF_VARS']['BE']['fileDenyPattern'] ?? null,
                 'maxFileSize' => GeneralUtility::getMaxUploadFileSize() * 1024,
-                'defaultDuplicationBehaviourAction', $this->getDefaultDuplicationBehaviourAction(),
+                'defaultDuplicationBehaviourAction' => $this->getDefaultDuplicationBehaviourAction(),
             ]);
         }
     }