diff --git a/Examples/test-suite/ruby/char_constant_runme.rb b/Examples/test-suite/ruby/char_constant_runme.rb
index 4e9d9d59c..4c56ecbf7 100644
--- a/Examples/test-suite/ruby/char_constant_runme.rb
+++ b/Examples/test-suite/ruby/char_constant_runme.rb
@@ -1,5 +1,5 @@
 #!/usr/bin/env ruby
-#
+#Encoding: ASCII-8BIT
 # Put description here
 #
 #