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-rw-r--r--spec/ruby/command_line/dash_upper_e_spec.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/spec/ruby/command_line/dash_upper_e_spec.rb b/spec/ruby/command_line/dash_upper_e_spec.rb
index 39ffa001a3..b3c6ce262b 100644
--- a/spec/ruby/command_line/dash_upper_e_spec.rb
+++ b/spec/ruby/command_line/dash_upper_e_spec.rb
@@ -1,3 +1,5 @@
+require_relative '../spec_helper'
+
describe "ruby -E" do
it "sets the external encoding with '-E external'" do
result = ruby_exe("print Encoding.default_external", options: '-E euc-jp')