diff --git a/homeassistant/components/media_player/onkyo.py b/homeassistant/components/media_player/onkyo.py
index 3d4a6fb553b..fd9e6d7427c 100644
--- a/homeassistant/components/media_player/onkyo.py
+++ b/homeassistant/components/media_player/onkyo.py
@@ -34,7 +34,7 @@ DEFAULT_SOURCES = {'tv': 'TV', 'bd': 'Bluray', 'game': 'Game', 'aux1': 'Aux1',
                    'video7': 'Video 7'}
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
-    vol.Required(CONF_HOST): cv.string,
+    vol.Optional(CONF_HOST): cv.string,
     vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
     vol.Optional(CONF_SOURCES, default=DEFAULT_SOURCES):
         {cv.string: cv.string},