diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed62b75a..27b6e990 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@ NOTE: Add new changes BELOW THIS COMMENT.
 
 ### Fixed
 
+- Disabled button for autofilled login form.
 - Formatting of elapsed times less than one millisecond.
 - Changes to global upstream DNS settings not applying to custom client upstream configurations.
 - The formatting of large numbers in the clients tables on the *Client settings* page ([#7583]).
diff --git a/client/src/login/Login/Form.tsx b/client/src/login/Login/Form.tsx
index cff3225f..8709efcd 100644
--- a/client/src/login/Login/Form.tsx
+++ b/client/src/login/Login/Form.tsx
@@ -21,7 +21,7 @@ const Form = ({ onSubmit, processing }: LoginFormProps) => {
         control,
         formState: { isValid },
     } = useForm<LoginFormValues>({
-        mode: 'onBlur',
+        mode: 'onChange',
         defaultValues: {
             username: '',
             password: '',