diff --git a/toolkit/themes/pinstripe/global/global.css b/toolkit/themes/pinstripe/global/global.css
index 66664c4c82bd..cfb9edea45b9 100644
--- a/toolkit/themes/pinstripe/global/global.css
+++ b/toolkit/themes/pinstripe/global/global.css
@@ -89,10 +89,16 @@ prefwindow {
   font: message-box;
 }
 
+prefwindow {
  font: -moz-dialog;
}
+
+prefwindow .paneSelector {
+  font: message-box;
+}
 prefwindow[type="child"] {
   padding: 18px 20px 15px 18px !important;
 }
 
+
 /* deprecated */
 window.dialog { 
   padding: 8px 10px 10px 8px;
@@ -218,3 +224,4 @@ browser {
 #historyTree, #bookmarks-view {
 	border-top: 1px solid #bebebe;
 }
+