diff --git a/example/stream.cc b/example/stream.cc
index 094e9984..326665cf 100644
--- a/example/stream.cc
+++ b/example/stream.cc
@@ -13,7 +13,7 @@ public:
 
     ~Server() { }
 
-    typedef std::auto_ptr<msgpack::zone> auto_zone;
+    typedef msgpack::unique_ptr<msgpack::zone> auto_zone;
 
     void socket_readable()
     {