diff --git a/inc/class-sort.php b/inc/class-sort.php
index ef27330..66fda9b 100644
--- a/inc/class-sort.php
+++ b/inc/class-sort.php
@@ -792,6 +792,7 @@ final class Sort {
                         ]],
                         'meta_key' => "ogre-sort_{$relationship['taxonomy']}_{$term_id}",
                         'orderby' => 'meta_value_num',
+                        'order' => 'ASC',
                     ]);
                     $posts = array_values(array_unique($posts));
                     foreach ($posts as $i => $post_id) {