1 files changed, 2 insertions, 2 deletions
diff --git a/cpp/src/qpid/sys/AsynchIO.h b/cpp/src/qpid/sys/AsynchIO.h
index 50da8fa4fc..41f74f7ed0 100644
--- a/cpp/src/qpid/sys/AsynchIO.h
+++ b/cpp/src/qpid/sys/AsynchIO.h
@@ -64,8 +64,8 @@ public:
     // deletes. To correctly manage heaps when needed, the allocate and
     // delete should both be done from the same class/library.
     QPID_COMMON_EXTERN static AsynchConnector* create(const Socket& s,
-                                   std::string hostname,
-                                   uint16_t port,
+                                   const std::string& hostname,
+                                   const std::string& port,
                                    ConnectedCallback connCb,
                                    FailedCallback failCb);
     virtual void start(boost::shared_ptr<Poller> poller) = 0;