diff --git a/Library/Homebrew/brew.h.rb b/Library/Homebrew/brew.h.rb
index 4c733b7c51..c660b1886a 100644
--- a/Library/Homebrew/brew.h.rb
+++ b/Library/Homebrew/brew.h.rb
@@ -387,7 +387,12 @@ def outdated_brews
 
   results = []
   HOMEBREW_CELLAR.subdirs.each do |keg|
+    # Skip kegs with no versions installed
     next unless keg.subdirs
+
+    # Skip HEAD formulae, consider them "evergreen"
+    next if keg.subdirs.collect{|p|p.basename.to_s}.include? "HEAD"
+
     name = keg.basename.to_s
     if (not (f = Formula.factory(name)).installed? rescue nil)
       results << [keg, name, f.version]