--- a/browser/themes/osx/places/organizer.css
+++ b/browser/themes/osx/places/organizer.css
@@ -169,16 +169,17 @@
 /* Root View */
 #placesView {
   border-top: 1px solid ThreeDDarkShadow;
   -moz-user-focus: ignore;
 }
 
 /* Place List, Place Content */
 #placesList {
+  -moz-appearance: -moz-mac-vibrancy-light;
   background-color: #e2e7ed;
   width: 160px;
 }
 
 #placesList:-moz-window-inactive {
   background-color: #e8e8e8;
 }