diff --git a/Classes/Service/AssetService.php b/Classes/Service/AssetService.php
index 34e16a097..637176152 100644
--- a/Classes/Service/AssetService.php
+++ b/Classes/Service/AssetService.php
@@ -282,7 +282,7 @@ private function writeCachedMergedFileAndReturnTag($assets, $type) {
 		}
 		$fileRelativePathAndFilename = 'typo3temp/vhs-assets-' . $assetName . '.'.  $type;
 		$fileAbsolutePathAndFilename = t3lib_div::getFileAbsFileName($fileRelativePathAndFilename);
-		if (FALSE === file_exists($fileAbsolutePathAndFilename)) {
+		if (FALSE === file_exists($fileAbsolutePathAndFilename) || TRUE === isset($GLOBALS['BE_USER'])) {
 			foreach ($assets as $name => $asset) {
 				$settings = $this->extractAssetSettings($asset);
 				if (TRUE === (isset($settings['namedChunks']) && 0 < $settings['namedChunks']) || FALSE === isset($settings['namedChunks'])) {