diff --git a/Library/Homebrew/cmd/upgrade.rb b/Library/Homebrew/cmd/upgrade.rb
index d82636f20993a00552644ae81c2217e007c02663..34ef98199f7695284ed2eebf15730da57514ec78 100644
--- a/Library/Homebrew/cmd/upgrade.rb
+++ b/Library/Homebrew/cmd/upgrade.rb
@@ -56,6 +56,8 @@ module Homebrew
       odisabled("'HOMEBREW_UPGRADE_CLEANUP'")
     end
 
+    upgrade_args.parse
+
     FormulaInstaller.prevent_build_flags unless DevelopmentTools.installed?
 
     Install.perform_preinstall_checks