how to replace h1 entry title with h2 in category pages only

This is the function im using:

function change_title_h1_h2( $title, $id = null ) {

    return 'h2'.$title.'/h2';
}
add_filter( 'the_title', 'change_title_h1_h2', 10, 2 );

Is there any way to just target the title of the posts in the category pages?

thx!