diff --git a/doc/profile-api.txt b/doc/profile-api.txt
index 639202f..d410750 100644
--- a/doc/profile-api.txt
+++ b/doc/profile-api.txt
@@ -19,7 +19,7 @@ Methods		void Release()
 			profile, because when this method gets called it has
 			already been unregistered.
 
-		void NewConnection(object device, fd)
+		void NewConnection(object device, fd, dict fd_properties)
 
 			This method gets called when a new service level
 			connection has been made and authorized.
diff --git a/src/profile.c b/src/profile.c
index eb63e1e..f756fcf 100644
--- a/src/profile.c
+++ b/src/profile.c
@@ -270,6 +270,7 @@ static bool send_new_connection(struct ext_profile *ext, struct ext_io *conn,
 							struct btd_device *dev)
 {
 	DBusMessage *msg;
+	DBusMessageIter iter, dict;
 	const char *path;
 	int fd;
 
@@ -281,12 +282,19 @@ static bool send_new_connection(struct ext_profile *ext, struct ext_io *conn,
 		return false;
 	}
 
+	dbus_message_iter_init_append(msg, &iter);
+
 	path = device_get_path(dev);
+	dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
+
 	fd = g_io_channel_unix_get_fd(conn->io);
+	dbus_message_iter_append_basic(&iter, DBUS_TYPE_UNIX_FD, &fd);
+
+	dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "{sv}", &dict);
+
+	/* fd properties go here */
 
-	dbus_message_append_args(msg, DBUS_TYPE_OBJECT_PATH, &path,
-					DBUS_TYPE_UNIX_FD, &fd,
-					DBUS_TYPE_INVALID);
+	dbus_message_iter_close_container(&iter, &dict);
 
 	if (!dbus_connection_send_with_reply(btd_get_dbus_connection(),
 						msg, &conn->new_conn, -1)) {
diff --git a/test/test-profile b/test/test-profile
index 2d66444..1c361c9 100755
--- a/test/test-profile
+++ b/test/test-profile
@@ -24,8 +24,8 @@ class Profile(dbus.service.Object):
 		print("Cancel")
 
 	@dbus.service.method("org.bluez.Profile",
-					in_signature="oh", out_signature="")
-	def NewConnection(self, path, fd):
+				in_signature="oha{sv}", out_signature="")
+	def NewConnection(self, path, fd, properties):
 		fd = fd.take()
 		print("NewConnection(%s, %d)" % (path, fd))
 		os.close(fd)