diff --git a/homeassistant/components/ps4/media_player.py b/homeassistant/components/ps4/media_player.py
index cf5520f339db..744bcf02f943 100644
--- a/homeassistant/components/ps4/media_player.py
+++ b/homeassistant/components/ps4/media_player.py
@@ -282,7 +282,12 @@ class PS4Device(MediaPlayerEntity):
             self._attr_media_content_type = media_type
 
             await self.hass.async_add_executor_job(self.update_list)
-            self.async_write_ha_state()
+
+            # Entities are added with update_before_add, so the poll that
+            # started this fetch can run before the entity has an entity_id.
+            # The platform writes the state it collected once it adds us.
+            if self.entity_id:
+                self.async_write_ha_state()
 
     def update_list(self) -> None:
         """Update Game List, Correct data if different."""
diff --git a/tests/components/ps4/test_media_player.py b/tests/components/ps4/test_media_player.py
index 39c1ae57dc66..f2aa7b2513e7 100644
--- a/tests/components/ps4/test_media_player.py
+++ b/tests/components/ps4/test_media_player.py
@@ -1,7 +1,7 @@
 """Tests for the PS4 media player platform."""
 
 from typing import Any
-from unittest.mock import MagicMock, patch
+from unittest.mock import AsyncMock, MagicMock, patch
 
 from pyps4_2ndscreen.credential import get_ddp_message
 from pyps4_2ndscreen.ddp import DEFAULT_UDP_PORT
@@ -25,6 +25,7 @@ from homeassistant.components.ps4.const import (
     GAMES_FILE,
     PS4_DATA,
 )
+from homeassistant.components.ps4.media_player import PS4Device
 from homeassistant.const import (
     ATTR_COMMAND,
     ATTR_ENTITY_ID,
@@ -603,3 +604,40 @@ async def test_title_data_fetched_from_poll(
     assert mock_state.state == STATE_PLAYING
     assert mock_attrs.get(ATTR_MEDIA_TITLE) == MOCK_TITLE_NAME
     assert mock_attrs.get(ATTR_MEDIA_CONTENT_TYPE) == MOCK_TITLE_TYPE
+
+
+async def test_title_data_fetched_before_entity_added(
+    hass: HomeAssistant, patch_get_status: MagicMock
+) -> None:
+    """Test fetching title data before the entity is added does not raise.
+
+    Entities are added with update_before_add, so the first poll runs while the
+    entity has no entity_id yet, and the fetch it starts can finish before the
+    entity is added.
+    """
+    patch_get_status.return_value = MOCK_STATUS_PLAYING
+
+    mock_result = MagicMock()
+    mock_result.name = MOCK_TITLE_NAME
+    mock_result.cover_art = MOCK_TITLE_ART_URL
+    mock_result.game_type = "not_an_app"
+
+    mock_entry = MockConfigEntry(
+        domain=ps4.DOMAIN, data=MOCK_DATA, version=VERSION, entry_id=MOCK_ENTRY_ID
+    )
+    mock_entity = PS4Device(
+        mock_entry,
+        MOCK_NAME,
+        MOCK_HOST,
+        MOCK_REGION,
+        MagicMock(async_get_ps_store_data=AsyncMock(return_value=mock_result)),
+        MOCK_CREDS,
+    )
+    mock_entity.hass = hass
+    assert mock_entity.entity_id is None
+
+    await mock_entity.async_get_title_data(MOCK_TITLE_ID, MOCK_TITLE_NAME)
+
+    # The data is kept, the platform writes it out when the entity is added
+    assert mock_entity.media_title == MOCK_TITLE_NAME
+    assert mock_entity.media_content_type == MediaType.GAME