diff --git a/homeassistant/components/heos/__init__.py b/homeassistant/components/heos/__init__.py
index 56155cb21a2..3a9bedbb376 100644
--- a/homeassistant/components/heos/__init__.py
+++ b/homeassistant/components/heos/__init__.py
@@ -31,7 +31,11 @@ from .const import (
 PLATFORMS = [MEDIA_PLAYER_DOMAIN]
 
 CONFIG_SCHEMA = vol.Schema(
-    {DOMAIN: vol.Schema({vol.Required(CONF_HOST): cv.string})}, extra=vol.ALLOW_EXTRA
+    vol.All(
+        cv.deprecated(DOMAIN),
+        {DOMAIN: vol.Schema({vol.Required(CONF_HOST): cv.string})},
+    ),
+    extra=vol.ALLOW_EXTRA,
 )
 
 MIN_UPDATE_SOURCES = timedelta(seconds=1)