diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 82410d3e84..29b9f9daa9 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -297,7 +297,7 @@ class Formula
     system "#{ruby_bin}/rake", *args
   end
 
-  def ruby
+  def ruby *args
     system "#{ruby_bin}/ruby", *args
   end