diff --git a/lib/rb/benchmark/client.rb b/lib/rb/benchmark/client.rb
index 948f08d..703dc8f 100644
--- a/lib/rb/benchmark/client.rb
+++ b/lib/rb/benchmark/client.rb
@@ -20,7 +20,7 @@
 $:.unshift File.dirname(__FILE__) + '/../lib'
 require 'thrift'
 $:.unshift File.dirname(__FILE__) + "/gen-rb"
-require 'BenchmarkService'
+require 'benchmark_service'
 
 class Client
   def initialize(host, port, clients_per_process, calls_per_client, log_exceptions)
diff --git a/lib/rb/benchmark/server.rb b/lib/rb/benchmark/server.rb
index d44fa88..74e13f4 100644
--- a/lib/rb/benchmark/server.rb
+++ b/lib/rb/benchmark/server.rb
@@ -20,7 +20,7 @@
 $:.unshift File.dirname(__FILE__) + '/../lib'
 require 'thrift'
 $:.unshift File.dirname(__FILE__) + "/gen-rb"
-require 'BenchmarkService'
+require 'benchmark_service'
 
 module Server
   include Thrift
diff --git a/lib/rb/benchmark/thin_server.rb b/lib/rb/benchmark/thin_server.rb
index 47126ad..4de2eef 100644
--- a/lib/rb/benchmark/thin_server.rb
+++ b/lib/rb/benchmark/thin_server.rb
@@ -20,7 +20,7 @@
 $:.unshift File.dirname(__FILE__) + '/../lib'
 require 'thrift'
 $:.unshift File.dirname(__FILE__) + "/gen-rb"
-require 'BenchmarkService'
+require 'benchmark_service'
 HOST = 'localhost'
 PORT = 42587