diff --git a/homeassistant/components/bluesound/media_player.py b/homeassistant/components/bluesound/media_player.py
index 3ca9cb1f623..3f7dc41ffef 100644
--- a/homeassistant/components/bluesound/media_player.py
+++ b/homeassistant/components/bluesound/media_player.py
@@ -777,7 +777,7 @@ class BluesoundPlayer(MediaPlayerDevice):
     def supported_features(self):
         """Flag of media commands that are supported."""
         if self._status is None:
-            return None
+            return 0
 
         if self.is_grouped and not self.is_master:
             return SUPPORT_VOLUME_STEP | SUPPORT_VOLUME_SET | SUPPORT_VOLUME_MUTE
diff --git a/homeassistant/components/emby/media_player.py b/homeassistant/components/emby/media_player.py
index 56d68cee6b5..e063fc49f2f 100644
--- a/homeassistant/components/emby/media_player.py
+++ b/homeassistant/components/emby/media_player.py
@@ -305,7 +305,7 @@ class EmbyDevice(MediaPlayerDevice):
         """Flag media player features that are supported."""
         if self.supports_remote_control:
             return SUPPORT_EMBY
-        return None
+        return 0
 
     async def async_media_play(self):
         """Play media."""
diff --git a/homeassistant/components/mpd/media_player.py b/homeassistant/components/mpd/media_player.py
index 4b6d63b4240..bec61b10a9f 100644
--- a/homeassistant/components/mpd/media_player.py
+++ b/homeassistant/components/mpd/media_player.py
@@ -249,7 +249,7 @@ class MpdDevice(MediaPlayerDevice):
     def supported_features(self):
         """Flag media player features that are supported."""
         if self._status is None:
-            return None
+            return 0
 
         supported = SUPPORT_MPD
         if "volume" in self._status: