diff --git a/apps/files/css/files.scss b/apps/files/css/files.scss
index d06c9f5c55..a5e28ff38d 100644
--- a/apps/files/css/files.scss
+++ b/apps/files/css/files.scss
@@ -263,8 +263,7 @@ table th.column-last, table td.column-last {
 
 /* Multiselect bar */
 table.multiselect thead {
-	position: -webkit-sticky; // Safari support
-	position: sticky;
+	@include position('sticky');
 	top: 94px;
 	z-index: 55;
 	-moz-box-sizing: border-box;