diff --git a/homeassistant/components/unifi_direct/device_tracker.py b/homeassistant/components/unifi_direct/device_tracker.py
index 55a9026d443..f71498faa11 100644
--- a/homeassistant/components/unifi_direct/device_tracker.py
+++ b/homeassistant/components/unifi_direct/device_tracker.py
@@ -1,4 +1,6 @@
 """Support for Unifi AP direct access."""
+from __future__ import annotations
+
 import json
 import logging
 
@@ -11,7 +13,9 @@ from homeassistant.components.device_tracker import (
     DeviceScanner,
 )
 from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_PORT, CONF_USERNAME
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -30,11 +34,11 @@ PLATFORM_SCHEMA = PARENT_PLATFORM_SCHEMA.extend(
 )
 
 
-def get_scanner(hass, config):
+def get_scanner(hass: HomeAssistant, config: ConfigType) -> DeviceScanner | None:
     """Validate the configuration and return a Unifi direct scanner."""
     scanner = UnifiDeviceScanner(config[DOMAIN])
     if not scanner.connected:
-        return False
+        return None
     return scanner