diff --git a/homeassistant/components/august/config_flow.py b/homeassistant/components/august/config_flow.py
index 58c3549fe4d..640b04b384f 100644
--- a/homeassistant/components/august/config_flow.py
+++ b/homeassistant/components/august/config_flow.py
@@ -12,7 +12,7 @@ from yalexs.authenticator_common import ValidationResult
 from yalexs.const import BRANDS_WITHOUT_OAUTH, DEFAULT_BRAND, Brand
 from yalexs.manager.exceptions import CannotConnect, InvalidAuth, RequireValidation
 
-from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
+from homeassistant.config_entries import SOURCE_REAUTH, ConfigFlow, ConfigFlowResult
 from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
 from homeassistant.core import callback
 
@@ -93,7 +93,6 @@ class AugustConfigFlow(ConfigFlow, domain=DOMAIN):
         self._aiohttp_session: aiohttp.ClientSession | None = None
         self._user_auth_details: dict[str, Any] = {}
         self._needs_reset = True
-        self._mode: str | None = None
         super().__init__()
 
     async def async_step_user(
@@ -147,7 +146,7 @@ class AugustConfigFlow(ConfigFlow, domain=DOMAIN):
     ) -> ConfigFlowResult:
         """Handle validation (2fa) step."""
         if user_input:
-            if self._mode == "reauth":
+            if self.source == SOURCE_REAUTH:
                 return await self.async_step_reauth_validate(user_input)
             return await self.async_step_user_validate(user_input)
 
@@ -188,8 +187,6 @@ class AugustConfigFlow(ConfigFlow, domain=DOMAIN):
     ) -> ConfigFlowResult:
         """Handle configuration by re-auth."""
         self._user_auth_details = dict(entry_data)
-        self._mode = "reauth"
-        self._needs_reset = True
         return await self.async_step_reauth_validate()
 
     async def async_step_reauth_validate(