diff --git a/lib/rb/lib/thrift/transport/socket.rb b/lib/rb/lib/thrift/transport/socket.rb
index 9bb2036..dfb33fd 100644
--- a/lib/rb/lib/thrift/transport/socket.rb
+++ b/lib/rb/lib/thrift/transport/socket.rb
@@ -34,7 +34,7 @@
 
     def open
       begin
-        addrinfo = ::Socket::getaddrinfo(@host, @port).first
+        addrinfo = ::Socket::getaddrinfo(@host, @port, nil, ::Socket::SOCK_STREAM).first
         @handle = ::Socket.new(addrinfo[4], ::Socket::SOCK_STREAM, 0)
         sockaddr = ::Socket.sockaddr_in(addrinfo[1], addrinfo[3])
         begin
@@ -134,4 +134,4 @@
       @handle
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/rb/spec/socket_spec.rb b/lib/rb/spec/socket_spec.rb
index 1825051..d5ae6b0 100644
--- a/lib/rb/spec/socket_spec.rb
+++ b/lib/rb/spec/socket_spec.rb
@@ -41,14 +41,14 @@
 
     it "should open a ::Socket with default args" do
       ::Socket.should_receive(:new).and_return(mock("Handle", :connect_nonblock => true))
-      ::Socket.should_receive(:getaddrinfo).with("localhost", 9090).and_return([[]])
+      ::Socket.should_receive(:getaddrinfo).with("localhost", 9090, nil, ::Socket::SOCK_STREAM).and_return([[]])
       ::Socket.should_receive(:sockaddr_in)
       @socket.open
     end
 
     it "should accept host/port options" do
       ::Socket.should_receive(:new).and_return(mock("Handle", :connect_nonblock => true))
-      ::Socket.should_receive(:getaddrinfo).with("my.domain", 1234).and_return([[]])
+      ::Socket.should_receive(:getaddrinfo).with("my.domain", 1234, nil, ::Socket::SOCK_STREAM).and_return([[]])
       ::Socket.should_receive(:sockaddr_in)
       Socket.new('my.domain', 1234).open
     end