diff --git a/userChrome.css b/userChrome.css
index 4492c32..7b72f1f 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -3760,7 +3760,8 @@
   #sync-reauthitem {
   }
 
-  #webDeveloperMenu {
+  #webDeveloperMenu, /* Legacy */
+  #browserToolsMenu {
     --menuitem-image: url("chrome://browser/skin/developer.svg");
   }
   #menu_pageInfo {