diff --git a/custom_components/squeezebox_telnet/media_player.py b/custom_components/squeezebox_telnet/media_player.py
index d670c50..f158f64 100644
--- a/custom_components/squeezebox_telnet/media_player.py
+++ b/custom_components/squeezebox_telnet/media_player.py
@@ -8,7 +8,7 @@ import voluptuous as vol
 from ..reconnecting_client import ReconnectingClient
 
 from homeassistant.components.media_player import (
-    MediaPlayerDevice, MEDIA_PLAYER_SCHEMA, PLATFORM_SCHEMA)
+    MediaPlayerDevice, PLATFORM_SCHEMA)
 from homeassistant.components.media_player.const import (
     ATTR_MEDIA_ENQUEUE, DOMAIN, MEDIA_TYPE_MUSIC,
     SUPPORT_CLEAR_PLAYLIST, SUPPORT_NEXT_TRACK, SUPPORT_PAUSE,
@@ -16,7 +16,7 @@ from homeassistant.components.media_player.const import (
     SUPPORT_SHUFFLE_SET, SUPPORT_TURN_OFF, SUPPORT_TURN_ON,
     SUPPORT_VOLUME_MUTE, SUPPORT_VOLUME_SET)
 from homeassistant.const import (
-    ATTR_COMMAND, CONF_HOST, CONF_PASSWORD, CONF_PORT, CONF_USERNAME,
+    ATTR_COMMAND, CONF_HOST, CONF_PASSWORD, CONF_PORT, CONF_USERNAME, ATTR_ENTITY_ID,
     STATE_IDLE, STATE_OFF, STATE_PAUSED, STATE_PLAYING)
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util.dt import utcnow
@@ -45,6 +45,8 @@ KNOWN_SERVERS = 'squeezebox_telnet_known_servers'
 
 ATTR_PARAMETERS = 'parameters'
 
+MEDIA_PLAYER_SCHEMA = vol.Schema({ATTR_ENTITY_ID: cv.comp_entity_ids})
+
 SQUEEZEBOX_CALL_METHOD_SCHEMA = MEDIA_PLAYER_SCHEMA.extend({
     vol.Required(ATTR_COMMAND): cv.string,
     vol.Optional(ATTR_PARAMETERS):