diff --git a/Library/Homebrew/dev-cmd/audit.rb b/Library/Homebrew/dev-cmd/audit.rb
index be53e1d6fd..9b0deb7d5e 100644
--- a/Library/Homebrew/dev-cmd/audit.rb
+++ b/Library/Homebrew/dev-cmd/audit.rb
@@ -502,6 +502,7 @@ class FormulaAuditor
       GPG
       GNOME
       BSD
+      Firefox
     ].freeze
 
     reason = formula.keg_only_reason.to_s