diff --git a/apps/files_external/lib/Lib/Storage/SMB.php b/apps/files_external/lib/Lib/Storage/SMB.php
index 40fffce834..230304575b 100644
--- a/apps/files_external/lib/Lib/Storage/SMB.php
+++ b/apps/files_external/lib/Lib/Storage/SMB.php
@@ -160,10 +160,15 @@ class SMB extends Common implements INotifyStorage {
 			}
 			return array_filter($files, function (IFileInfo $file) {
 				try {
+					if ($file->isHidden()) {
+						\OC::$server->getLogger()->debug('hiding hidden file ' . $file->getName());
+					}
 					return !$file->isHidden();
 				} catch (ForbiddenException $e) {
+					\OC::$server->getLogger()->logException($e, ['level' => Util::DEBUG, 'message' => 'Hiding forbidden entry ' . $file->getName()]);
 					return false;
 				} catch (NotFoundException $e) {
+					\OC::$server->getLogger()->logException($e, ['level' => Util::DEBUG, 'message' => 'Hiding not found entry ' . $file->getName()]);
 					return false;
 				}
 			});