diff --git a/Library/Homebrew/utils/ruby.sh b/Library/Homebrew/utils/ruby.sh
index a55b09b028..3b07d37816 100644
--- a/Library/Homebrew/utils/ruby.sh
+++ b/Library/Homebrew/utils/ruby.sh
@@ -11,7 +11,9 @@ test_ruby () {
 
 setup-ruby-path() {
   local vendor_dir
+  local vendor_ruby_root
   local vendor_ruby_path
+  local vendor_ruby_terminfo
   local vendor_ruby_latest_version
   local vendor_ruby_current_version
   local usable_ruby