diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index d9e72702b0..e7cd7d938e 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -465,9 +465,7 @@ class FormulaInstaller
   end
 
   def build_argv
-    opts = Options.create(sanitized_ARGV_options)
-    opts.concat(options)
-    opts
+    Options.create(sanitized_ARGV_options) + options
   end
 
   def build