diff --git a/apps/files_sharing/lib/cache.php b/apps/files_sharing/lib/cache.php
index 123268e240afee61b59c179df4166e631a9d6eaa..3a8e703740ff7d60ad1808db97e4aedab848c272 100644
--- a/apps/files_sharing/lib/cache.php
+++ b/apps/files_sharing/lib/cache.php
@@ -99,9 +99,13 @@ class Shared_Cache extends Cache {
 			$data['fileid'] = (int)$data['fileid'];
 			$data['size'] = (int)$data['size'];
 			$data['mtime'] = (int)$data['mtime'];
+			$data['storage_mtime'] = (int)$data['storage_mtime'];
 			$data['encrypted'] = (bool)$data['encrypted'];
 			$data['mimetype'] = $this->getMimetype($data['mimetype']);
 			$data['mimepart'] = $this->getMimetype($data['mimepart']);
+			if ($data['storage_mtime'] == 0) {
+				$data['storage_mtime'] = $data['mtime'];
+			}
 			return $data;
 		}
 		return false;