diff --git a/Library/Homebrew/cmd/options.rb b/Library/Homebrew/cmd/options.rb
index 843d3a1ee8..6bb6afafe9 100644
--- a/Library/Homebrew/cmd/options.rb
+++ b/Library/Homebrew/cmd/options.rb
@@ -16,9 +16,9 @@ module Homebrew
 
   def options
     if ARGV.include? "--all"
-      puts_options Formula.to_a
+      puts_options Formula.to_a.sort
     elsif ARGV.include? "--installed"
-      puts_options Formula.installed
+      puts_options Formula.installed.sort
     else
       raise FormulaUnspecifiedError if ARGV.named.empty?
       puts_options ARGV.formulae