Use query_posts instead of wp_query. It should work.
This is my Code.
$paged,
'orderby' => 'asc',
'tax_query' => array(
array(
'taxonomy' => "$term->taxonomy",
'terms' => "$term->name",
'field' => 'slug'
)
)
);
$query = new WP_Query( $args );
if($query->have_posts() ) :
// your code
?>