diff --git a/apps/files/css/files.css b/apps/files/css/files.css
index f506a37947..41d9808c56 100644
--- a/apps/files/css/files.css
+++ b/apps/files/css/files.css
@@ -338,7 +338,7 @@ table.dragshadow td.size {
 }
 .mask {
 	z-index: 50;
-	position: absolute;
+	position: fixed;
 	top: 0;
 	left: 0;
 	right: 0;