$temp = $wp_query;
$wp_query= null;

$args=array(
'post_type' => 'Nieuws',
'paged' => $paged,
'posts_per_page' => 2,
'order' => 'desc'
);

$wp_query = new WP_Query($args);

while ($wp_query->have_posts()) : $wp_query->the_post();
$do_not_duplicate = $post->ID;
?>
// DO THINGS //

<?php
endwhile;
?>

<?php if(function_exists('wp_paginate')) {
   wp_paginate();
} ?>

<?php $wp_query = null; $wp_query = $temp;?>