diff --git a/sylvilagus/jruby/lib/sylvilagus/ch02/hello_world_consumer.rb b/sylvilagus/jruby/lib/sylvilagus/ch02/hello_world_consumer.rb
index ab528a1..094492c 100644
--- a/sylvilagus/jruby/lib/sylvilagus/ch02/hello_world_consumer.rb
+++ b/sylvilagus/jruby/lib/sylvilagus/ch02/hello_world_consumer.rb
@@ -1,9 +1,6 @@
 require 'sylvilagus/ch02/hello_world'
 
-import com.rabbitmq.client.DefaultConsumer
-import org.jruby.RubyString
-
-class Sylvilagus::Ch02::HelloWorldConsumer < DefaultConsumer
+class Sylvilagus::Ch02::HelloWorldConsumer < Java::ComRabbitmqClient::DefaultConsumer
   class << self
     include Sylvilagus::Ch02::HelloWorld::ClassMethods
 
@@ -27,7 +24,7 @@ class Sylvilagus::Ch02::HelloWorldConsumer < DefaultConsumer
   end
 
   def handleDelivery(consumer_tag, envelope, properties, body)
-    body_string = RubyString.bytes_to_string(body)
+    body_string = Java::OrgJruby::RubyString.bytes_to_string(body)
 
     puts "Consumed #{body_string.inspect}"
     channel.basic_ack(envelope.delivery_tag, false)