diff --git a/lib/rb/spec/binary_protocol_accelerated_spec.rb b/lib/rb/spec/binary_protocol_accelerated_spec.rb
index a834f7c..0306cf5 100644
--- a/lib/rb/spec/binary_protocol_accelerated_spec.rb
+++ b/lib/rb/spec/binary_protocol_accelerated_spec.rb
@@ -19,7 +19,7 @@
 
 require File.dirname(__FILE__) + '/spec_helper'
 require File.dirname(__FILE__) + '/binary_protocol_spec_shared'
-require File.dirname(__FILE__) + '/gen-rb/ThriftSpec_types'
+require File.dirname(__FILE__) + '/gen-rb/thrift_spec_types'
 
 class ThriftBinaryProtocolAcceleratedSpec < Spec::ExampleGroup
   include Thrift
diff --git a/lib/rb/spec/nonblocking_server_spec.rb b/lib/rb/spec/nonblocking_server_spec.rb
index 3362d26..a0e86cf 100644
--- a/lib/rb/spec/nonblocking_server_spec.rb
+++ b/lib/rb/spec/nonblocking_server_spec.rb
@@ -18,7 +18,7 @@
 #
 
 require File.dirname(__FILE__) + '/spec_helper'
-require File.dirname(__FILE__) + '/gen-rb/NonblockingService'
+require File.dirname(__FILE__) + '/gen-rb/nonblocking_service'
 
 class ThriftNonblockingServerSpec < Spec::ExampleGroup
   include Thrift
diff --git a/lib/rb/spec/serializer_spec.rb b/lib/rb/spec/serializer_spec.rb
index db52133..82f374b 100644
--- a/lib/rb/spec/serializer_spec.rb
+++ b/lib/rb/spec/serializer_spec.rb
@@ -18,7 +18,7 @@
 #
 
 require File.dirname(__FILE__) + '/spec_helper'
-require File.dirname(__FILE__) + '/gen-rb/ThriftSpec_types'
+require File.dirname(__FILE__) + '/gen-rb/thrift_spec_types'
 
 class ThriftSerializerSpec < Spec::ExampleGroup
   include Thrift
diff --git a/lib/rb/spec/struct_spec.rb b/lib/rb/spec/struct_spec.rb
index bfcf0ea..23a701e 100644
--- a/lib/rb/spec/struct_spec.rb
+++ b/lib/rb/spec/struct_spec.rb
@@ -18,7 +18,7 @@
 #
 
 require File.dirname(__FILE__) + '/spec_helper'
-require File.dirname(__FILE__) + '/gen-rb/ThriftSpec_types'
+require File.dirname(__FILE__) + '/gen-rb/thrift_spec_types'
 
 class ThriftStructSpec < Spec::ExampleGroup
   include Thrift
diff --git a/lib/rb/spec/types_spec.rb b/lib/rb/spec/types_spec.rb
index 3b445c3..d979cfb 100644
--- a/lib/rb/spec/types_spec.rb
+++ b/lib/rb/spec/types_spec.rb
@@ -18,7 +18,7 @@
 #
 
 require File.dirname(__FILE__) + '/spec_helper'
-require File.dirname(__FILE__) + '/gen-rb/ThriftSpec_types'
+require File.dirname(__FILE__) + '/gen-rb/thrift_spec_types'
 
 class ThriftTypesSpec < Spec::ExampleGroup
   include Thrift