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-rw-r--r--Library/Homebrew/cmd/outdated.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/Library/Homebrew/cmd/outdated.rb b/Library/Homebrew/cmd/outdated.rb
index a6fa1f003..5dc77857e 100644
--- a/Library/Homebrew/cmd/outdated.rb
+++ b/Library/Homebrew/cmd/outdated.rb
@@ -21,6 +21,8 @@ require "formula"
require "keg"
module Homebrew
+ module_function
+
def outdated
formulae = if ARGV.resolved_formulae.empty?
Formula.installed