diff --git a/source/_integrations/home_connect.markdown b/source/_integrations/home_connect.markdown
index 7409602f79f..75b2eabe4fa 100644
--- a/source/_integrations/home_connect.markdown
+++ b/source/_integrations/home_connect.markdown
@@ -43,6 +43,8 @@ Note that it depends on the appliance and on API permissions which of the featur
 - OAuth Flow: Authorization Code Grant Flow
 - Redirect URI: `https://my.home-assistant.io/redirect/oauth`
 
+*Important*: after performing the steps above **log out** of your Home Connect Developer account. If you don't so this, the configuration steps below will fail during OAuth authentication with the message `“error”: “unauthorized_client”`.
+
 {% details "I have manually disabled My Home Assistant" %}
 
 If you don't have [My Home Assistant](/integrations/my) on your installation,