add_filter( 'register','zm_register_url' ); function zm_register_url($link){ //Change Registration Link return str_replace( site_url('wp-login.php?action=register', 'login' ),site_url( 'register', 'login' ),$link ); } add_filter( 'site_url', 'zm_fix_register_urls', 10, 3 ); function zm_fix_register_urls( $url, $path, $orig_scheme ){ //Replace Registration Link if ( $orig_scheme !== 'login' ) return $url; if ($path == 'wp-login.php?action=register') return site_url('register', 'login'); return $url; }