diff --git a/misc/vertical-tabs.css b/misc/vertical-tabs.css
index 937f4c06e9772ff9496bdd6118229470f305b11c..321394e98c8ddf9584db8f24fd28fc896d5af3a7 100644
--- a/misc/vertical-tabs.css
+++ b/misc/vertical-tabs.css
@@ -4,7 +4,7 @@
   margin: 1em 0 1em 15em;
   border: 1px solid #ccc;
 }
-.vertical-tabs-list {
+div.vertical-tabs ul.vertical-tabs-list {
   width: 15em;
   list-style: none;
   list-style-image: none; /* IE6 */