diff --git a/homeassistant/components/media_player/samsungtv.py b/homeassistant/components/media_player/samsungtv.py
index db6bd317c40a82..e6715669da7812 100644
--- a/homeassistant/components/media_player/samsungtv.py
+++ b/homeassistant/components/media_player/samsungtv.py
@@ -42,6 +42,7 @@
     vol.Required(CONF_HOST): cv.string,
     vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
     vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
+    vol.Optional(CONF_MAC): cv.string,
     vol.Optional(CONF_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int,
 })