diff --git a/homeassistant/components/media_player/mpd.py b/homeassistant/components/media_player/mpd.py
index 9967a26a3a0..083b1108f92 100644
--- a/homeassistant/components/media_player/mpd.py
+++ b/homeassistant/components/media_player/mpd.py
@@ -133,7 +133,7 @@ class MpdDevice(MediaPlayerDevice):
     @property
     def media_content_id(self):
         """Content ID of current playing media."""
-        return self.currentsong['id']
+        return self.currentsong.get('file')
 
     @property
     def media_content_type(self):