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-rw-r--r--spec/ruby/command_line/dash_upper_u_spec.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/spec/ruby/command_line/dash_upper_u_spec.rb b/spec/ruby/command_line/dash_upper_u_spec.rb
index 6cd52a3647..2546b5b9f4 100644
--- a/spec/ruby/command_line/dash_upper_u_spec.rb
+++ b/spec/ruby/command_line/dash_upper_u_spec.rb
@@ -1,3 +1,5 @@
+require_relative '../spec_helper'
+
describe "ruby -U" do
it "sets Encoding.default_internal to UTF-8" do
ruby_exe('print Encoding.default_internal.name',