htaccess index.php redirect

I have this in my htaccess file works great but stops the login of accounts..

RewriteRule ^index\.(php|html?)$ http://www.mydomain.co.uk [R=301,L]

Any one ?

To let people know

RewriteCond %{QUERY_STRING} !route=account/login
RewriteCond %{QUERY_STRING} !route=checkout
RewriteRule index\.(php|html?)$ http://www.domain.co.uk [R=301,L]

seems ok with no problems.

Not a good idea to use that code as all opencart requests are run through index.php - You will most likely get problems with the site running using that code.