diff --git a/homeassistant/components/tado/config_flow.py b/homeassistant/components/tado/config_flow.py
index d762329d658..a1b7661b0f6 100644
--- a/homeassistant/components/tado/config_flow.py
+++ b/homeassistant/components/tado/config_flow.py
@@ -6,8 +6,10 @@ import requests.exceptions
 import voluptuous as vol
 
 from homeassistant import config_entries, core, exceptions
+from homeassistant.components import zeroconf
 from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
 from homeassistant.core import callback
+from homeassistant.data_entry_flow import FlowResult
 
 from .const import CONF_FALLBACK, DOMAIN, UNIQUE_ID
 
@@ -80,13 +82,16 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
             step_id="user", data_schema=DATA_SCHEMA, errors=errors
         )
 
-    async def async_step_homekit(self, discovery_info):
+    async def async_step_homekit(
+        self, discovery_info: zeroconf.ZeroconfServiceInfo
+    ) -> FlowResult:
         """Handle HomeKit discovery."""
         self._async_abort_entries_match()
         properties = {
-            key.lower(): value for (key, value) in discovery_info["properties"].items()
+            key.lower(): value
+            for (key, value) in discovery_info[zeroconf.ATTR_PROPERTIES].items()
         }
-        await self.async_set_unique_id(properties["id"])
+        await self.async_set_unique_id(properties[zeroconf.ATTR_PROPERTIES_ID])
         return await self.async_step_user()
 
     def _username_already_configured(self, user_input):
diff --git a/tests/components/tado/test_config_flow.py b/tests/components/tado/test_config_flow.py
index b181b78bf16..327747cb841 100644
--- a/tests/components/tado/test_config_flow.py
+++ b/tests/components/tado/test_config_flow.py
@@ -5,6 +5,7 @@ from unittest.mock import MagicMock, patch
 import requests
 
 from homeassistant import config_entries
+from homeassistant.components import zeroconf
 from homeassistant.components.tado.const import DOMAIN
 from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
 
@@ -126,7 +127,9 @@ async def test_form_homekit(hass):
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
         context={"source": config_entries.SOURCE_HOMEKIT},
-        data={"properties": {"id": "AA:BB:CC:DD:EE:FF"}},
+        data=zeroconf.ZeroconfServiceInfo(
+            properties={zeroconf.ATTR_PROPERTIES_ID: "AA:BB:CC:DD:EE:FF"}
+        ),
     )
     assert result["type"] == "form"
     assert result["errors"] == {}
@@ -145,6 +148,8 @@ async def test_form_homekit(hass):
     result = await hass.config_entries.flow.async_init(
         DOMAIN,
         context={"source": config_entries.SOURCE_HOMEKIT},
-        data={"properties": {"id": "AA:BB:CC:DD:EE:FF"}},
+        data=zeroconf.ZeroconfServiceInfo(
+            properties={zeroconf.ATTR_PROPERTIES_ID: "AA:BB:CC:DD:EE:FF"}
+        ),
     )
     assert result["type"] == "abort"