diff --git a/ext/cbson/cbson.c b/ext/cbson/cbson.c
index 5ff6999..5b9835a 100644
--- a/ext/cbson/cbson.c
+++ b/ext/cbson/cbson.c
@@ -532,7 +532,7 @@ static void write_doc(buffer_t buffer, VALUE hash, VALUE check_keys, VALUE move_
     }
 
     // we have to check for an OrderedHash and handle that specially
-    if (strcmp(rb_obj_classname(hash), "OrderedHash") == 0) {
+    if (strcmp(rb_obj_classname(hash), "BSON::OrderedHash") == 0) {
         VALUE keys = rb_funcall(hash, rb_intern("keys"), 0);
         int i;
                 for(i = 0; i < RARRAY_LEN(keys); i++) {
@@ -909,7 +909,7 @@ void Init_cbson() {
     InvalidStringEncoding = rb_const_get(bson, rb_intern("InvalidStringEncoding"));
     InvalidDocument = rb_const_get(bson, rb_intern("InvalidDocument"));
     rb_require("bson/ordered_hash");
-    OrderedHash = rb_const_get(rb_cObject, rb_intern("OrderedHash"));
+    OrderedHash = rb_const_get(bson, rb_intern("OrderedHash"));
 
     CBson = rb_define_module("CBson");
     ext_version = rb_str_new2(VERSION);
diff --git a/lib/bson/bson_ruby.rb b/lib/bson/bson_ruby.rb
index d046f54..7cf0bf9 100644
--- a/lib/bson/bson_ruby.rb
+++ b/lib/bson/bson_ruby.rb
@@ -182,7 +182,7 @@ module BSON
       end
       @buf.rewind
       @buf.get_int                # eat message size
-      doc = OrderedHash.new
+      doc = BSON::OrderedHash.new
       while @buf.more?
         type = @buf.get
         case type
@@ -383,7 +383,7 @@ module BSON
     end
 
     def serialize_dbref_element(buf, key, val)
-      oh = OrderedHash.new
+      oh = BSON::OrderedHash.new
       oh['$ref'] = val.namespace
       oh['$id'] = val.object_id
       serialize_object_element(buf, key, oh, false)
@@ -450,7 +450,7 @@ module BSON
 
     def serialize_array_element(buf, key, val, check_keys)
       # Turn array into hash with integer indices as keys
-      h = OrderedHash.new
+      h = BSON::OrderedHash.new
       i = 0
       val.each { |v| h[i] = v; i += 1 }
       serialize_object_element(buf, key, h, check_keys, ARRAY)
diff --git a/lib/bson/ordered_hash.rb b/lib/bson/ordered_hash.rb
index 88a08eb..c732e15 100644
--- a/lib/bson/ordered_hash.rb
+++ b/lib/bson/ordered_hash.rb
@@ -18,123 +18,125 @@
 #
 # Under Ruby 1.9 and greater, this class has no added methods because Ruby's
 # Hash already keeps its keys ordered by order of insertion.
-class OrderedHash < Hash
+module BSON
+  class OrderedHash < Hash
 
-  def ==(other)
-    begin
-      !other.nil? &&
-        keys == other.keys &&
-        values == other.values
-    rescue
-      false
-    end
-  end
-
-  # We only need the body of this class if the RUBY_VERSION is before 1.9
-  if RUBY_VERSION < '1.9'
-    attr_accessor :ordered_keys
-
-    def self.[] *args
-      oh = OrderedHash.new
-      if Hash === args[0]
-        oh.merge! args[0]
-      elsif (args.size % 2) != 0
-        raise ArgumentError, "odd number of elements for Hash"
-      else
-        0.step(args.size - 1, 2) do |key|
-          value = key + 1
-          oh[args[key]] = args[value]
-        end
-      end
-      oh
-    end
-
-    def initialize(*a, &b)
-      super
-      @ordered_keys = []
-    end
-
-    def keys
-      @ordered_keys || []
-    end
-
-    def []=(key, value)
-      @ordered_keys ||= []
-      @ordered_keys << key unless @ordered_keys.include?(key)
-      super(key, value)
-    end
-
-    def each
-      @ordered_keys ||= []
-      @ordered_keys.each { |k| yield k, self[k] }
-      self
-    end
-    alias :each_pair :each
-
-    def to_a
-      @ordered_keys ||= []
-      @ordered_keys.map { |k| [k, self[k]] }      
-    end
-    
-    def values
-      collect { |k, v| v }
-    end
-
-    def merge(other)
-      oh = self.dup
-      oh.merge!(other)
-      oh
-    end
-
-    def merge!(other)
-      @ordered_keys ||= []
-      @ordered_keys += other.keys # unordered if not an OrderedHash
-      @ordered_keys.uniq!
-      super(other)
-    end
-
-    alias :update :merge!
-
-    def inspect
-      str = '{'
-      str << (@ordered_keys || []).collect { |k| "\"#{k}\"=>#{self.[](k).inspect}" }.join(", ")
-      str << '}'
-    end
-
-    def delete(key, &block)
-      @ordered_keys.delete(key) if @ordered_keys
-      super
-    end
-
-    def delete_if(&block)
-      self.each { |k,v|
-        if yield k, v
-          delete(k)
-        end
-      }
-    end
-
-    def clear
-      super
-      @ordered_keys = []
-    end
-
-    def hash
-      code = 17
-      each_pair do |key, value|
-        code = 37 * code + key.hash
-        code = 37 * code + value.hash
-      end
-      code & 0x7fffffff
-    end
-
-    def eql?(o)
-      if o.instance_of? OrderedHash
-        self.hash == o.hash
-      else
+    def ==(other)
+      begin
+        !other.nil? &&
+          keys == other.keys &&
+          values == other.values
+      rescue
         false
       end
     end
 
+    # We only need the body of this class if the RUBY_VERSION is before 1.9
+    if RUBY_VERSION < '1.9'
+      attr_accessor :ordered_keys
+
+      def self.[] *args
+        oh = BSON::OrderedHash.new
+        if Hash === args[0]
+          oh.merge! args[0]
+        elsif (args.size % 2) != 0
+          raise ArgumentError, "odd number of elements for Hash"
+        else
+          0.step(args.size - 1, 2) do |key|
+            value = key + 1
+            oh[args[key]] = args[value]
+          end
+        end
+        oh
+      end
+
+      def initialize(*a, &b)
+        super
+        @ordered_keys = []
+      end
+
+      def keys
+        @ordered_keys || []
+      end
+
+      def []=(key, value)
+        @ordered_keys ||= []
+        @ordered_keys << key unless @ordered_keys.include?(key)
+        super(key, value)
+      end
+
+      def each
+        @ordered_keys ||= []
+        @ordered_keys.each { |k| yield k, self[k] }
+        self
+      end
+      alias :each_pair :each
+
+      def to_a
+        @ordered_keys ||= []
+        @ordered_keys.map { |k| [k, self[k]] }      
+      end
+    
+      def values
+        collect { |k, v| v }
+      end
+
+      def merge(other)
+        oh = self.dup
+        oh.merge!(other)
+        oh
+      end
+
+      def merge!(other)
+        @ordered_keys ||= []
+        @ordered_keys += other.keys # unordered if not an BSON::OrderedHash
+        @ordered_keys.uniq!
+        super(other)
+      end
+
+      alias :update :merge!
+
+      def inspect
+        str = '{'
+        str << (@ordered_keys || []).collect { |k| "\"#{k}\"=>#{self.[](k).inspect}" }.join(", ")
+        str << '}'
+      end
+
+      def delete(key, &block)
+        @ordered_keys.delete(key) if @ordered_keys
+        super
+      end
+
+      def delete_if(&block)
+        self.each { |k,v|
+          if yield k, v
+            delete(k)
+          end
+        }
+      end
+
+      def clear
+        super
+        @ordered_keys = []
+      end
+
+      def hash
+        code = 17
+        each_pair do |key, value|
+          code = 37 * code + key.hash
+          code = 37 * code + value.hash
+        end
+        code & 0x7fffffff
+      end
+
+      def eql?(o)
+        if o.instance_of? BSON::OrderedHash
+          self.hash == o.hash
+        else
+          false
+        end
+      end
+
+    end
   end
-end
+end
\ No newline at end of file
diff --git a/lib/mongo/collection.rb b/lib/mongo/collection.rb
index 08f005b..5d279fc 100644
--- a/lib/mongo/collection.rb
+++ b/lib/mongo/collection.rb
@@ -373,7 +373,7 @@ module Mongo
     # @core indexes create_index-instance_method
     def create_index(spec, opts={})
       opts.assert_valid_keys(:min, :max, :background, :unique, :dropDups)
-      field_spec = OrderedHash.new
+      field_spec = BSON::OrderedHash.new
       if spec.is_a?(String) || spec.is_a?(Symbol)
         field_spec[spec.to_s] = 1
       elsif spec.is_a?(Array) && spec.all? {|field| field.is_a?(Array) }
@@ -445,7 +445,7 @@ module Mongo
     #
     # @core findandmodify find_and_modify-instance_method
     def find_and_modify(opts={})
-      cmd = OrderedHash.new
+      cmd = BSON::OrderedHash.new
       cmd[:findandmodify] = @name
       cmd.merge!(opts)
       cmd[:sort] = Mongo::Support.format_order_clause(opts[:sort]) if opts[:sort]
@@ -478,7 +478,7 @@ module Mongo
       map    = BSON::Code.new(map) unless map.is_a?(BSON::Code)
       reduce = BSON::Code.new(reduce) unless reduce.is_a?(BSON::Code)
 
-      hash = OrderedHash.new
+      hash = BSON::OrderedHash.new
       hash['mapreduce'] = self.name
       hash['map'] = map
       hash['reduce'] = reduce
@@ -570,7 +570,7 @@ module Mongo
     # @return [Array] an array of distinct values.
     def distinct(key, query=nil)
       raise MongoArgumentError unless [String, Symbol].include?(key.class)
-      command = OrderedHash.new
+      command = BSON::OrderedHash.new
       command[:distinct] = @name
       command[:key]      = key.to_s
       command[:query]    = query
@@ -652,7 +652,7 @@ module Mongo
       when nil
         nil
       else
-        h = OrderedHash.new
+        h = BSON::OrderedHash.new
         hint.to_a.each { |k| h[k] = 1 }
         h
       end
diff --git a/lib/mongo/connection.rb b/lib/mongo/connection.rb
index aa8fdc2..d7238be 100644
--- a/lib/mongo/connection.rb
+++ b/lib/mongo/connection.rb
@@ -269,7 +269,7 @@ module Mongo
     # @param [String] username username for authentication against from_db (>=1.3.x).
     # @param [String] password password for authentication against from_db (>=1.3.x).
     def copy_database(from, to, from_host="localhost", username=nil, password=nil)
-      oh = OrderedHash.new
+      oh = BSON::OrderedHash.new
       oh[:copydb]   = 1
       oh[:fromhost] = from_host
       oh[:fromdb]   = from
@@ -278,7 +278,7 @@ module Mongo
         unless username && password
           raise MongoArgumentError, "Both username and password must be supplied for authentication."
         end
-        nonce_cmd = OrderedHash.new
+        nonce_cmd = BSON::OrderedHash.new
         nonce_cmd[:copydbgetnonce] = 1
         nonce_cmd[:fromhost] = from_host
         result = self["admin"].command(nonce_cmd, true, true)
@@ -659,7 +659,7 @@ module Mongo
       BSON::BSON_RUBY.serialize_cstr(message, "#{db_name}.$cmd")
       message.put_int(0)
       message.put_int(-1)
-      cmd = OrderedHash.new
+      cmd = BSON::OrderedHash.new
       cmd[:getlasterror] = 1
       if opts.is_a?(Hash)
         opts.assert_valid_keys(:w, :wtimeout, :fsync)
diff --git a/lib/mongo/cursor.rb b/lib/mongo/cursor.rb
index 75cb69c..ffc2ec8 100644
--- a/lib/mongo/cursor.rb
+++ b/lib/mongo/cursor.rb
@@ -94,7 +94,7 @@ module Mongo
     #
     # @raise [OperationFailure] on a database error.
     def count
-      command = OrderedHash["count",  @collection.name,
+      command = BSON::OrderedHash["count",  @collection.name,
                             "query",  @selector,
                             "fields", @fields]
       response = @db.command(command)
@@ -366,7 +366,7 @@ module Mongo
 
     def construct_query_spec
       return @selector if @selector.has_key?('$query')
-      spec = OrderedHash.new
+      spec = BSON::OrderedHash.new
       spec['$query']    = @selector
       spec['$orderby']  = Mongo::Support.format_order_clause(@order) if @order
       spec['$hint']     = @hint if @hint && @hint.length > 0
diff --git a/lib/mongo/db.rb b/lib/mongo/db.rb
index e4b9815..b9f326a 100644
--- a/lib/mongo/db.rb
+++ b/lib/mongo/db.rb
@@ -89,7 +89,7 @@ module Mongo
       raise "error retrieving nonce: #{doc}" unless ok?(doc)
       nonce = doc['nonce']
 
-      auth = OrderedHash.new
+      auth = BSON::OrderedHash.new
       auth['authenticate'] = 1
       auth['user'] = username
       auth['nonce'] = nonce
@@ -212,7 +212,7 @@ module Mongo
       end
 
       # Create a new collection.
-      oh = OrderedHash.new
+      oh = BSON::OrderedHash.new
       oh[:create] = name
       doc = command(oh.merge(options || {}))
       ok = doc['ok']
@@ -255,7 +255,7 @@ module Mongo
     #   error has occurred.
     def error(opts={})
       opts.assert_valid_keys(:w, :wtimeout, :fsync)
-      cmd = OrderedHash.new
+      cmd = BSON::OrderedHash.new
       cmd[:getlasterror] = 1
       cmd.merge!(opts) unless opts.empty?
       doc = command(cmd)
@@ -337,7 +337,7 @@ module Mongo
         code = BSON::Code.new(code)
       end
 
-      oh = OrderedHash.new
+      oh = BSON::OrderedHash.new
       oh[:$eval] = code
       oh[:args] = args
       doc = command(oh)
@@ -354,7 +354,7 @@ module Mongo
     # 
     # @raise MongoDBError if there's an error renaming the collection.
     def rename_collection(from, to)
-      oh = OrderedHash.new
+      oh = BSON::OrderedHash.new
       oh[:renameCollection] = "#{@name}.#{from}"
       oh[:to] = "#{@name}.#{to}"
       doc = command(oh, true)
@@ -371,7 +371,7 @@ module Mongo
     #
     # @raise MongoDBError if there's an error renaming the collection.
     def drop_index(collection_name, index_name)
-      oh = OrderedHash.new
+      oh = BSON::OrderedHash.new
       oh[:deleteIndexes] = collection_name
       oh[:index] = index_name
       doc = command(oh)
@@ -502,7 +502,7 @@ module Mongo
     #
     # @core profiling profiling_level-instance_method
     def profiling_level
-      oh = OrderedHash.new
+      oh = BSON::OrderedHash.new
       oh[:profile] = -1
       doc = command(oh)
       raise "Error with profile command: #{doc.inspect}" unless ok?(doc) && doc['was'].kind_of?(Numeric)
@@ -523,7 +523,7 @@ module Mongo
     #
     # @param [Symbol] level acceptable options are +:off+, +:slow_only+, or +:all+.
     def profiling_level=(level)
-      oh = OrderedHash.new
+      oh = BSON::OrderedHash.new
       oh[:profile] = case level
                      when :off
                        0
diff --git a/lib/mongo/gridfs/grid_io.rb b/lib/mongo/gridfs/grid_io.rb
index bd7c221..1001f5d 100644
--- a/lib/mongo/gridfs/grid_io.rb
+++ b/lib/mongo/gridfs/grid_io.rb
@@ -197,7 +197,7 @@ module Mongo
     private
 
     def create_chunk(n)
-      chunk = OrderedHash.new
+      chunk = BSON::OrderedHash.new
       chunk['_id']      = BSON::ObjectID.new
       chunk['n']        = n
       chunk['files_id'] = @files_id
@@ -319,7 +319,7 @@ module Mongo
     end
 
     def to_mongo_object
-      h                = OrderedHash.new
+      h                = BSON::OrderedHash.new
       h['_id']         = @files_id
       h['filename']    = @filename if @filename
       h['contentType'] = @content_type
@@ -335,7 +335,7 @@ module Mongo
 
     # Get a server-side md5 and validate against the client if running in safe mode.
     def get_md5
-      md5_command            = OrderedHash.new
+      md5_command            = BSON::OrderedHash.new
       md5_command['filemd5'] = @files_id
       md5_command['root']    = @fs_name
       @server_md5 = @files.db.command(md5_command)['md5']
diff --git a/lib/mongo/util/conversions.rb b/lib/mongo/util/conversions.rb
index 2ea211e..e692e54 100644
--- a/lib/mongo/util/conversions.rb
+++ b/lib/mongo/util/conversions.rb
@@ -31,7 +31,7 @@ module Mongo #:nodoc:
     # <tt>array_as_sort_parameters([["field1", :asc], ["field2", :desc]])</tt> =>
     # <tt>{ "field1" => 1, "field2" => -1}</tt>
     def array_as_sort_parameters(value)
-      order_by = OrderedHash.new
+      order_by = BSON::OrderedHash.new
       if value.first.is_a? Array
         value.each do |param|
           if (param.class.name == "String")
diff --git a/test/auxillary/1.4_features.rb b/test/auxillary/1.4_features.rb
index ec3adb7..2c1cb19 100644
--- a/test/auxillary/1.4_features.rb
+++ b/test/auxillary/1.4_features.rb
@@ -150,7 +150,7 @@ class Features14Test < Test::Unit::TestCase
       end
 
       should "use geoNear command to return distances from a point" do
-        cmd = OrderedHash.new
+        cmd = BSON::OrderedHash.new
         cmd['geoNear'] = 'places'
         cmd['near']    = @empire_state
         cmd['num']     = 6
diff --git a/test/collection_test.rb b/test/collection_test.rb
index 71403d3..77fcf11 100644
--- a/test/collection_test.rb
+++ b/test/collection_test.rb
@@ -323,14 +323,14 @@ class TestCollection < Test::Unit::TestCase
     assert_equal @@test.find_one(nil), @@test.find_one()
     assert_equal @@test.find_one({}), @@test.find_one()
     assert_equal @@test.find_one("hello" => "world"), @@test.find_one()
-    assert_equal @@test.find_one(OrderedHash["hello", "world"]), @@test.find_one()
+    assert_equal @@test.find_one(BSON::OrderedHash["hello", "world"]), @@test.find_one()
 
     assert @@test.find_one(nil, :fields => ["hello"]).include?("hello")
     assert !@@test.find_one(nil, :fields => ["foo"]).include?("hello")
     assert_equal ["_id"], @@test.find_one(nil, :fields => []).keys()
 
     assert_equal nil, @@test.find_one("hello" => "foo")
-    assert_equal nil, @@test.find_one(OrderedHash["hello", "foo"])
+    assert_equal nil, @@test.find_one(BSON::OrderedHash["hello", "foo"])
     assert_equal nil, @@test.find_one(ObjectID.new)
 
     assert_raise TypeError do
diff --git a/test/db_api_test.rb b/test/db_api_test.rb
index 5a5113b..dd06f46 100644
--- a/test/db_api_test.rb
+++ b/test/db_api_test.rb
@@ -46,14 +46,14 @@ class DBAPITest < Test::Unit::TestCase
   end
 
   def test_save_ordered_hash
-    oh = OrderedHash.new
+    oh = BSON::OrderedHash.new
     oh['a'] = -1
     oh['b'] = 'foo'
 
     oid = @@coll.save(oh)
     assert_equal 'foo', @@coll.find_one(oid)['b']
 
-    oh = OrderedHash['a' => 1, 'b' => 'foo']
+    oh = BSON::OrderedHash['a' => 1, 'b' => 'foo']
     oid = @@coll.save(oh)
     assert_equal 'foo', @@coll.find_one(oid)['b']
   end
@@ -187,7 +187,7 @@ class DBAPITest < Test::Unit::TestCase
 
     # Sorting using ordered hash. You can use an unordered one, but then the
     # order of the keys won't be guaranteed thus your sort won't make sense.
-    oh = OrderedHash.new
+    oh = BSON::OrderedHash.new
     oh['a'] = -1
     assert_raise InvalidSortValueError do 
       docs = @@coll.find({'a' => { '$lt' => 10 }}, :sort => oh).to_a
diff --git a/test/mongo_bson/bson_test.rb b/test/mongo_bson/bson_test.rb
index 0290802..3a3eaf4 100644
--- a/test/mongo_bson/bson_test.rb
+++ b/test/mongo_bson/bson_test.rb
@@ -123,7 +123,7 @@ class BSONTest < Test::Unit::TestCase
   end
 
   def test_ordered_hash
-    doc = OrderedHash.new
+    doc = BSON::OrderedHash.new
     doc["b"] = 1
     doc["a"] = 2
     doc["c"] = 3
@@ -284,16 +284,16 @@ class BSONTest < Test::Unit::TestCase
   end
 
   def test_put_id_first
-    val = OrderedHash.new
+    val = BSON::OrderedHash.new
     val['not_id'] = 1
     val['_id'] = 2
     roundtrip = BSON::BSON_CODER.deserialize(BSON::BSON_CODER.serialize(val, false, true).to_a)
-    assert_kind_of OrderedHash, roundtrip
+    assert_kind_of BSON::OrderedHash, roundtrip
     assert_equal '_id', roundtrip.keys.first
 
     val = {'a' => 'foo', 'b' => 'bar', :_id => 42, 'z' => 'hello'}
     roundtrip = BSON::BSON_CODER.deserialize(BSON::BSON_CODER.serialize(val, false, true).to_a)
-    assert_kind_of OrderedHash, roundtrip
+    assert_kind_of BSON::OrderedHash, roundtrip
     assert_equal '_id', roundtrip.keys.first
   end
 
@@ -354,7 +354,7 @@ class BSONTest < Test::Unit::TestCase
   end
 
   def test_do_not_change_original_object
-    val = OrderedHash.new
+    val = BSON::OrderedHash.new
     val['not_id'] = 1
     val['_id'] = 2
     assert val.keys.include?('_id')
@@ -426,7 +426,7 @@ class BSONTest < Test::Unit::TestCase
   end
 
   def test_move_id
-    a = OrderedHash.new
+    a = BSON::OrderedHash.new
     a['text'] = 'abc'
     a['key'] = 'abc'
     a['_id']  = 1
@@ -441,10 +441,10 @@ class BSONTest < Test::Unit::TestCase
   end
 
   def test_move_id_with_nested_doc
-    b = OrderedHash.new
+    b = BSON::OrderedHash.new
     b['text'] = 'abc'
     b['_id']   = 2
-    c = OrderedHash.new
+    c = BSON::OrderedHash.new
     c['text'] = 'abc'
     c['hash'] = b
     c['_id']  = 3
diff --git a/test/mongo_bson/ordered_hash_test.rb b/test/mongo_bson/ordered_hash_test.rb
index 31f4d0d..5481357 100644
--- a/test/mongo_bson/ordered_hash_test.rb
+++ b/test/mongo_bson/ordered_hash_test.rb
@@ -3,7 +3,7 @@ require 'test/test_helper'
 class OrderedHashTest < Test::Unit::TestCase
 
   def setup
-    @oh = OrderedHash.new
+    @oh = BSON::OrderedHash.new
     @oh['c'] = 1
     @oh['a'] = 2
     @oh['z'] = 3
@@ -11,31 +11,31 @@ class OrderedHashTest < Test::Unit::TestCase
   end
 
   def test_initialize
-    a = OrderedHash.new
+    a = BSON::OrderedHash.new
     a['x'] = 1
     a['y'] = 2
 
-    b = OrderedHash['x' => 1, 'y' => 2]
+    b = BSON::OrderedHash['x' => 1, 'y' => 2]
     assert_equal a, b
   end
 
   def test_hash_code
-    o = OrderedHash.new
+    o = BSON::OrderedHash.new
     o['number'] = 50
     assert o.hash
   end
 
   def test_empty
-    assert_equal [], OrderedHash.new.keys
+    assert_equal [], BSON::OrderedHash.new.keys
   end
 
   def test_uniq
     list = []
-    doc  = OrderedHash.new
+    doc  = BSON::OrderedHash.new
     doc['_id']  = 'ab12'
     doc['name'] = 'test'
 
-    same_doc = OrderedHash.new
+    same_doc = BSON::OrderedHash.new
     same_doc['_id']  = 'ab12'
     same_doc['name'] = 'test'
     list << doc
@@ -46,23 +46,23 @@ class OrderedHashTest < Test::Unit::TestCase
   end
 
   def test_equality
-    a = OrderedHash.new
+    a = BSON::OrderedHash.new
     a['x'] = 1
     a['y'] = 2
 
-    b = OrderedHash.new
+    b = BSON::OrderedHash.new
     b['y'] = 2
     b['x'] = 1
 
-    c = OrderedHash.new
+    c = BSON::OrderedHash.new
     c['x'] = 1
     c['y'] = 2
 
-    d = OrderedHash.new
+    d = BSON::OrderedHash.new
     d['x'] = 2
     d['y'] = 3
 
-    e = OrderedHash.new
+    e = BSON::OrderedHash.new
     e['z'] = 1
     e['y'] = 2
 
@@ -105,7 +105,7 @@ class OrderedHashTest < Test::Unit::TestCase
   end
 
   def test_merge
-    other = OrderedHash.new
+    other = BSON::OrderedHash.new
     other['f'] = 'foo'
     noob = @oh.merge(other)
     assert_equal @ordered_keys + ['f'], noob.keys
@@ -113,7 +113,7 @@ class OrderedHashTest < Test::Unit::TestCase
   end
 
   def test_merge_bang
-    other = OrderedHash.new
+    other = BSON::OrderedHash.new
     other['f'] = 'foo'
     @oh.merge!(other)
     assert_equal @ordered_keys + ['f'], @oh.keys
@@ -121,7 +121,7 @@ class OrderedHashTest < Test::Unit::TestCase
   end
 
   def test_merge_bang_with_overlap
-    other = OrderedHash.new
+    other = BSON::OrderedHash.new
     other['a'] = 'apple'
     other['c'] = 'crab'
     other['f'] = 'foo'
@@ -141,7 +141,7 @@ class OrderedHashTest < Test::Unit::TestCase
   end
 
   def test_update
-    other = OrderedHash.new
+    other = BSON::OrderedHash.new
     other['f'] = 'foo'
     noob = @oh.update(other)
     assert_equal @ordered_keys + ['f'], noob.keys