diff --git a/apps/files/css/files.css b/apps/files/css/files.css
index 620fe8606b..1dae49c1cf 100644
--- a/apps/files/css/files.css
+++ b/apps/files/css/files.css
@@ -25,7 +25,7 @@
 
 #trash { height:17px; margin: 0 1em; z-index:1010; float: right; }
 
-#upload { 
+#upload {
 	height:27px; padding:0; margin-left:0.2em; overflow:hidden;
 }
 #upload a {
@@ -74,8 +74,9 @@ table th#headerDate, table td.date { min-width:11em; padding:0 .1em 0 1em; text-
 
 /* Multiselect bar */
 table.multiselect { top:63px; }
-table.multiselect thead { position:fixed; top:82px; z-index:1; }
+table.multiselect thead { position:fixed; top:82px; z-index:1; -moz-box-sizing: border-box; box-sizing: border-box; left: 0; padding-left: 64px; width:100%; }
 table.multiselect thead th { background:rgba(230,230,230,.8); color:#000; font-weight:bold; border-bottom:0; }
+table.multiselect #headerName { width: 100%; }
 table td.selection, table th.selection, table td.fileaction { width:2em; text-align:center; }
 table td.filename a.name { display:block; height:1.5em; vertical-align:middle; margin-left:3em; }
 table tr[data-type="dir"] td.filename a.name span.nametext {font-weight:bold; }