diff --git a/apps/files/css/files.css b/apps/files/css/files.css
index 3eec7ba905496b2a13ab7579aa24ccf56e41211a..9163f860cb369a9b2bcf3d40d0507a4d738da2de 100644
--- a/apps/files/css/files.css
+++ b/apps/files/css/files.css
@@ -205,6 +205,9 @@ table.multiselect thead {
 	left: 250px; /* sidebar */
 }
 
+table thead th {
+	background-color: #fff;
+}
 table.multiselect thead th {
 	background-color: rgba(220,220,220,.8);
 	color: #000;