diff --git a/lib/ruby/shared/readline.rb b/lib/ruby/shared/readline.rb
index 7038a28..f240ae6 100644
--- a/lib/ruby/shared/readline.rb
+++ b/lib/ruby/shared/readline.rb
@@ -1,6 +1,7 @@
 # load jline and our readline into classpath
 begin
   require File.dirname(__FILE__) + "/readline/jline-2.11.jar"
+  require File.dirname(__FILE__) + "/readline/jansi.jar"
   require File.dirname(__FILE__) + "/readline/readline.jar"
 rescue LoadError
   # try to proceed as though classes are already in classloader
