diff --git a/Library/Homebrew/cmd/upgrade.rb b/Library/Homebrew/cmd/upgrade.rb
index c17957e204..fe41a15072 100644
--- a/Library/Homebrew/cmd/upgrade.rb
+++ b/Library/Homebrew/cmd/upgrade.rb
@@ -56,6 +56,11 @@ module Homebrew extend self
 
   def upgrade_formula f
     tab = Tab.for_formula(f)
+
+    # Inject options from a previous install into the formula's
+    # BuildOptions object. TODO clean this up.
+    f.build.args += tab.used_options
+
     outdated_keg = Keg.new(f.linked_keg.realpath) rescue nil
 
     installer = FormulaInstaller.new(f)