diff --git a/src/lib/data/html/dirlist.html b/src/lib/data/html/dirlist.html
index 9196bb3c1..cdd455b53 100644
--- a/src/lib/data/html/dirlist.html
+++ b/src/lib/data/html/dirlist.html
@@ -12,7 +12,7 @@ p{margin-bottom:0;}
 h1 a{ border-bottom: 1px solid rgba(0, 130, 217, 0.196); color: #0082D9;}
 h1 a:hover{ text-decoration:none; border-bottom: 1px solid rgba(0, 130, 217, 1); color: #0082D9;}
 
-.dir-up{float:%LEFT_STR%;padding-%LEFT_STR%:22px;font-size:105%;height:30px;background:transparent url(data:image/png;base64,%UP-IMG%) no-repeat;}
+.dir-up{float:%LEFT_STR%;padding-%LEFT_STR%:22px;font-size:105%;height:30px;background:transparent url(data:image/png;base64,%UP-IMG%) no-repeat;background-position-x:%LEFT_STR%}
 .show-hidden{float:%RIGHT_STR%;font-size:105%;height:30px;}
 .tr-hidden{display:none;}
 .tr-visible{display:table-row;}