diff --git a/browser/themes/winstripe/browser/browser-aero.css b/browser/themes/winstripe/browser/browser-aero.css
index 2e614066bc9..6a338eb0a16 100644
--- a/browser/themes/winstripe/browser/browser-aero.css
+++ b/browser/themes/winstripe/browser/browser-aero.css
@@ -7,7 +7,7 @@
 }
 
 #print-preview-toolbar {
-  -moz-appearance: browsertabbar-toolbox;
+  -moz-appearance: -moz-win-browsertabbar-toolbox;
 }
 
 /* ::::: Location Bar AutoComplete Styling ::::: */
diff --git a/browser/themes/winstripe/browser/places/organizer-aero.css b/browser/themes/winstripe/browser/places/organizer-aero.css
index 23cbf32069d..2d2db42ec16 100644
--- a/browser/themes/winstripe/browser/places/organizer-aero.css
+++ b/browser/themes/winstripe/browser/places/organizer-aero.css
@@ -5,7 +5,7 @@
 }
 
 #placesToolbar {
-  -moz-appearance: media-toolbox;
+  -moz-appearance: -moz-win-media-toolbox;
   color: -moz-win-mediatext;
 }