diff --git a/test/ruby/test_transcode.rb b/test/ruby/test_transcode.rb
index cca7aabac9..a313037896 100644
--- a/test/ruby/test_transcode.rb
+++ b/test/ruby/test_transcode.rb
@@ -1,6 +1,6 @@
-# -*- encoding: ASCII-8BIT -*-   # make sure this runs in binary mode
+# encoding: ASCII-8BIT   # make sure this runs in binary mode
 # some of the comments are in UTF-8
-
+p __ENCODING__
 require 'test/unit'
 class TestTranscode < Test::Unit::TestCase
   def test_errors