function bbp_user_register_fields() {
?>

	<input type="hidden" name="action"      value="register" />
	<input type="hidden" name="user-cookie" value="1" />

	<?php

	// Allow custom registration redirection
	$redirect_to = apply_filters( 'bbp_user_register_redirect_to', '' );
	bbp_redirect_to_field( add_query_arg( array( 'checkemail' => 'registered' ), $redirect_to ) );

	// Prevent intention hi-jacking of sign-up form
	wp_nonce_field( 'bbp-user-register' );
}