diff --git a/include/dbus-c++/message.h b/include/dbus-c++/message.h
index 2d132bb..a287ab8 100644
--- a/include/dbus-c++/message.h
+++ b/include/dbus-c++/message.h
@@ -164,7 +164,7 @@ public:
 	
 	struct Private;
 
-	Message( Private* );
+	Message( Private*, bool incref = true );
 
 	Message( const Message& m );
 
diff --git a/src/connection.cpp b/src/connection.cpp
index e961d0d..bf43a99 100644
--- a/src/connection.cpp
+++ b/src/connection.cpp
@@ -350,7 +350,7 @@ Message Connection::send_blocking( Message& msg, int timeout )
 
 	if(e) throw Error(e);
 
-	return Message(new Message::Private(reply));
+	return Message(new Message::Private(reply), false);
 }
 
 PendingCall Connection::send_async( Message& msg, int timeout )
diff --git a/src/message.cpp b/src/message.cpp
index 41ccef7..6f6d7af 100644
--- a/src/message.cpp
+++ b/src/message.cpp
@@ -365,10 +365,10 @@ Message::Message()
 {
 }
 
-Message::Message( Message::Private* p )
+Message::Message( Message::Private* p, bool incref )
 : _pvt(p)
 {
-	if(_pvt->msg) dbus_message_ref(_pvt->msg);
+	if(_pvt->msg && incref) dbus_message_ref(_pvt->msg);
 }
 
 Message::Message( const Message& m )