diff --git a/out/out.ViewDocument.php b/out/out.ViewDocument.php
index d63e96c54..a05b1c391 100644
--- a/out/out.ViewDocument.php
+++ b/out/out.ViewDocument.php
@@ -73,8 +73,8 @@ if($view) {
 	$view->setParam('workflowmode', $settings->_workflowMode);
 	$view->setParam('previewWidthList', $settings->_previewWidthList);
 	$view->setParam('previewWidthDetail', $settings->_previewWidthDetail);
-	$view->setParam('previewConverters', $settings->_converters['preview']);
-	$view->setParam('pdfConverters', $settings->_converters['pdf']);
+	$view->setParam('previewConverters', isset($settings->_converters['preview']) ? $settings->_converters['preview'] : array());
+	$view->setParam('pdfConverters', isset($settings->_converters['pdf']) ? $settings->_converters['pdf'] : array());
 	$view->setParam('showFullPreview', $settings->_showFullPreview);
 	$view->setParam('convertToPdf', $settings->_convertToPdf);
 	$view->setParam('currenttab', isset($_GET['currenttab']) ? $_GET['currenttab'] : "");