diff --git a/homeassistant/components/hdmi_cec/media_player.py b/homeassistant/components/hdmi_cec/media_player.py
index c31daa85316..9ee705c1c5e 100644
--- a/homeassistant/components/hdmi_cec/media_player.py
+++ b/homeassistant/components/hdmi_cec/media_player.py
@@ -26,7 +26,7 @@ from pycec.const import (
 
 from homeassistant.components.media_player import MediaPlayerEntity
 from homeassistant.components.media_player.const import (
-    DOMAIN,
+    DOMAIN as MP_DOMAIN,
     SUPPORT_NEXT_TRACK,
     SUPPORT_PAUSE,
     SUPPORT_PLAY_MEDIA,
@@ -48,11 +48,11 @@ from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
-from . import ATTR_NEW, CecEntity
+from . import ATTR_NEW, DOMAIN, CecEntity
 
 _LOGGER = logging.getLogger(__name__)
 
-ENTITY_ID_FORMAT = DOMAIN + ".{}"
+ENTITY_ID_FORMAT = MP_DOMAIN + ".{}"
 
 
 def setup_platform(
@@ -77,7 +77,7 @@ class CecPlayerEntity(CecEntity, MediaPlayerEntity):
     def __init__(self, device, logical) -> None:
         """Initialize the HDMI device."""
         CecEntity.__init__(self, device, logical)
-        self.entity_id = f"{DOMAIN}.hdmi_{hex(self._logical_address)[2:]}"
+        self.entity_id = f"{MP_DOMAIN}.hdmi_{hex(self._logical_address)[2:]}"
 
     def send_keypress(self, key):
         """Send keypress to CEC adapter."""
diff --git a/homeassistant/components/hdmi_cec/switch.py b/homeassistant/components/hdmi_cec/switch.py
index 8e6deae1394..a5d64b2a7fa 100644
--- a/homeassistant/components/hdmi_cec/switch.py
+++ b/homeassistant/components/hdmi_cec/switch.py
@@ -3,17 +3,17 @@ from __future__ import annotations
 
 import logging
 
-from homeassistant.components.switch import DOMAIN, SwitchEntity
+from homeassistant.components.switch import DOMAIN as SWITCH_DOMAIN, SwitchEntity
 from homeassistant.const import STATE_OFF, STATE_ON
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
-from . import ATTR_NEW, CecEntity
+from . import ATTR_NEW, DOMAIN, CecEntity
 
 _LOGGER = logging.getLogger(__name__)
 
-ENTITY_ID_FORMAT = DOMAIN + ".{}"
+ENTITY_ID_FORMAT = SWITCH_DOMAIN + ".{}"
 
 
 def setup_platform(
@@ -38,7 +38,7 @@ class CecSwitchEntity(CecEntity, SwitchEntity):
     def __init__(self, device, logical) -> None:
         """Initialize the HDMI device."""
         CecEntity.__init__(self, device, logical)
-        self.entity_id = f"{DOMAIN}.hdmi_{hex(self._logical_address)[2:]}"
+        self.entity_id = f"{SWITCH_DOMAIN}.hdmi_{hex(self._logical_address)[2:]}"
 
     def turn_on(self, **kwargs) -> None:
         """Turn device on."""