diff --git a/apps/files/js/filelist.js b/apps/files/js/filelist.js
index f08e412921e..ae92a3f1ee1 100644
--- a/apps/files/js/filelist.js
+++ b/apps/files/js/filelist.js
@@ -375,4 +375,7 @@ $(document).ready(function(){
 			FileList.lastAction();
 		}
 	});
+	$(window).unload(function (){
+		$(window).trigger('beforeunload');
+	});
 });