diff --git a/homeassistant/components/plex/const.py b/homeassistant/components/plex/const.py
index d5cb3db3aba..44bb25b3fd9 100644
--- a/homeassistant/components/plex/const.py
+++ b/homeassistant/components/plex/const.py
@@ -38,3 +38,6 @@ X_PLEX_DEVICE_NAME = "Home Assistant"
 X_PLEX_PLATFORM = "Home Assistant"
 X_PLEX_PRODUCT = "Home Assistant"
 X_PLEX_VERSION = __version__
+
+COMMAND_MEDIA_TYPE_MUSIC = "music"
+COMMAND_MEDIA_TYPE_VIDEO = "video"
diff --git a/homeassistant/components/plex/media_player.py b/homeassistant/components/plex/media_player.py
index 5325544bf15..aea8ecadaff 100644
--- a/homeassistant/components/plex/media_player.py
+++ b/homeassistant/components/plex/media_player.py
@@ -11,7 +11,6 @@ from homeassistant.components.media_player.const import (
     MEDIA_TYPE_MOVIE,
     MEDIA_TYPE_MUSIC,
     MEDIA_TYPE_TVSHOW,
-    MEDIA_TYPE_VIDEO,
     SUPPORT_NEXT_TRACK,
     SUPPORT_PAUSE,
     SUPPORT_PLAY,
@@ -28,6 +27,8 @@ from homeassistant.helpers.entity_registry import async_get_registry
 from homeassistant.util import dt as dt_util
 
 from .const import (
+    COMMAND_MEDIA_TYPE_MUSIC,
+    COMMAND_MEDIA_TYPE_VIDEO,
     COMMON_PLAYERS,
     CONF_SERVER_IDENTIFIER,
     DISPATCHERS,
@@ -576,11 +577,11 @@ class PlexMediaPlayer(MediaPlayerDevice):
         shuffle = src.get("shuffle", 0)
 
         media = None
-        command_media_type = MEDIA_TYPE_VIDEO
+        command_media_type = COMMAND_MEDIA_TYPE_VIDEO
 
         if media_type == "MUSIC":
             media = self._get_music_media(library, src)
-            command_media_type = MEDIA_TYPE_MUSIC
+            command_media_type = COMMAND_MEDIA_TYPE_MUSIC
         elif media_type == "EPISODE":
             media = self._get_tv_media(library, src)
         elif media_type == "PLAYLIST":