diff --git a/homeassistant/components/roon/event.py b/homeassistant/components/roon/event.py
index 484415a2c58..b2a491c8d28 100644
--- a/homeassistant/components/roon/event.py
+++ b/homeassistant/components/roon/event.py
@@ -50,14 +50,14 @@ class RoonEventEntity(EventEntity):
     _attr_event_types = ["volume_up", "volume_down", "mute_toggle"]
     _attr_translation_key = "volume"
 
-    def __init__(self, server, player_data, core_id):
+    def __init__(self, server, player_data, entry_id):
         """Initialize the entity."""
         self._server = server
         self._player_data = player_data
         player_name = player_data["display_name"]
         self._attr_name = f"{player_name} roon volume"
         self._attr_unique_id = self._player_data["dev_id"]
-        self._core_id = core_id
+        self._entry_id = entry_id
 
         if self._player_data.get("source_controls"):
             dev_model = self._player_data["source_controls"][0].get("display_name")
@@ -70,7 +70,7 @@ class RoonEventEntity(EventEntity):
             name=cast(str | None, self.name),
             manufacturer="RoonLabs",
             model=dev_model,
-            via_device=(DOMAIN, self._core_id),
+            via_device=(DOMAIN, self._entry_id),
         )
 
     def _roonapi_volume_callback(
diff --git a/homeassistant/components/roon/media_player.py b/homeassistant/components/roon/media_player.py
index 5f52611031f..0c4f8394989 100644
--- a/homeassistant/components/roon/media_player.py
+++ b/homeassistant/components/roon/media_player.py
@@ -106,7 +106,7 @@ class RoonDevice(MediaPlayerEntity):
         | MediaPlayerEntityFeature.PLAY_MEDIA
     )
 
-    def __init__(self, server, player_data, core_id):
+    def __init__(self, server, player_data, entry_id):
         """Initialize Roon device object."""
         self._remove_signal_status = None
         self._server = server
@@ -125,7 +125,7 @@ class RoonDevice(MediaPlayerEntity):
         self._attr_volume_level = 0
         self._volume_fixed = True
         self._volume_incremental = False
-        self._core_id = core_id
+        self._entry_id = entry_id
         self.update_data(player_data)
 
     async def async_added_to_hass(self) -> None:
@@ -167,7 +167,7 @@ class RoonDevice(MediaPlayerEntity):
             name=cast(str | None, self.name),
             manufacturer="RoonLabs",
             model=dev_model,
-            via_device=(DOMAIN, self._core_id),
+            via_device=(DOMAIN, self._entry_id),
         )
 
     def update_data(self, player_data=None):