diff --git a/lib/rb/spec/gen-rb/NonblockingService.rb b/lib/rb/spec/gen-rb/NonblockingService.rb
index 43273ec..5893f74 100644
--- a/lib/rb/spec/gen-rb/NonblockingService.rb
+++ b/lib/rb/spec/gen-rb/NonblockingService.rb
@@ -6,7 +6,7 @@
 
 require 'thrift'
 require 'thrift/protocol'
-require 'ThriftSpec_types'
+require File.dirname(__FILE__) + '/ThriftSpec_types'
 
     module SpecNamespace
       module NonblockingService
diff --git a/lib/rb/spec/gen-rb/ThriftSpec_constants.rb b/lib/rb/spec/gen-rb/ThriftSpec_constants.rb
index 2fc84fa..973501c 100644
--- a/lib/rb/spec/gen-rb/ThriftSpec_constants.rb
+++ b/lib/rb/spec/gen-rb/ThriftSpec_constants.rb
@@ -5,7 +5,7 @@
 #
 
 require 'thrift/protocol'
-require 'ThriftSpec_types'
+require File.dirname(__FILE__) + '/ThriftSpec_types'
 
   module SpecNamespace
 end
diff --git a/lib/rb/spec/nonblockingserver_spec.rb b/lib/rb/spec/nonblockingserver_spec.rb
index ae7fe2c..0eed1dd 100644
--- a/lib/rb/spec/nonblockingserver_spec.rb
+++ b/lib/rb/spec/nonblockingserver_spec.rb
@@ -1,6 +1,6 @@
 require File.dirname(__FILE__) + '/spec_helper'
 require 'thrift/server/nonblockingserver'
-require 'NonblockingService'
+require File.dirname(__FILE__) + '/gen-rb/NonblockingService'
 
 class ThriftNonblockingServerSpec < Spec::ExampleGroup
   include Thrift
diff --git a/lib/rb/spec/serializer_spec.rb b/lib/rb/spec/serializer_spec.rb
index 57e20ab..fe5a86a 100644
--- a/lib/rb/spec/serializer_spec.rb
+++ b/lib/rb/spec/serializer_spec.rb
@@ -1,6 +1,6 @@
 require File.dirname(__FILE__) + '/spec_helper'
 require 'thrift/serializer'
-require 'ThriftSpec_types'
+require File.dirname(__FILE__) + '/gen-rb/ThriftSpec_types'
 
 class ThriftSerializerSpec < Spec::ExampleGroup
   include Thrift
diff --git a/lib/rb/spec/spec_helper.rb b/lib/rb/spec/spec_helper.rb
index 9498d2a..874ed2d 100644
--- a/lib/rb/spec/spec_helper.rb
+++ b/lib/rb/spec/spec_helper.rb
@@ -13,7 +13,6 @@
 end
 
 require File.dirname(__FILE__) + '/../lib/thrift'
-$:.unshift File.dirname(__FILE__) + "/gen-rb"
 
 class Object
   # tee is a useful method, so let's let our tests have it
diff --git a/lib/rb/spec/struct_spec.rb b/lib/rb/spec/struct_spec.rb
index 6dd2868..eb0542b 100644
--- a/lib/rb/spec/struct_spec.rb
+++ b/lib/rb/spec/struct_spec.rb
@@ -1,5 +1,5 @@
 require File.dirname(__FILE__) + '/spec_helper'
-require "ThriftSpec_types"
+require File.dirname(__FILE__) + '/gen-rb/ThriftSpec_types'
 
 class ThriftStructSpec < Spec::ExampleGroup
   include Thrift
diff --git a/lib/rb/spec/types_spec.rb b/lib/rb/spec/types_spec.rb
index 15ffe5c..4c2b4ea 100644
--- a/lib/rb/spec/types_spec.rb
+++ b/lib/rb/spec/types_spec.rb
@@ -1,5 +1,5 @@
 require File.dirname(__FILE__) + '/spec_helper'
-require 'ThriftSpec_types'
+require File.dirname(__FILE__) + '/gen-rb/ThriftSpec_types'
 
 class ThriftTypesSpec < Spec::ExampleGroup
   include Thrift