diff --git a/platform/firefox/vapi-background.js b/platform/firefox/vapi-background.js
index 050308855..770a641e6 100644
--- a/platform/firefox/vapi-background.js
+++ b/platform/firefox/vapi-background.js
@@ -2295,6 +2295,7 @@ vAPI.toolbarButton = {
     if ( CustomizableUI === null ) {
         return null;
     }
+    tbb.codePath = 'australis';
     tbb.CustomizableUI = CustomizableUI;
     tbb.defaultArea = CustomizableUI.AREA_NAVBAR;