diff --git a/functions.php b/functions.php
index c66fe3a..4c35d0e 100644
--- a/functions.php
+++ b/functions.php
@@ -10,16 +10,19 @@ function phpbnl18_enqueue_styles() {
 
 /**
  * Change sort order to title on archive pages
- * @param $query
+ *
+ * @param WP_Query $query
+ *
+ * @return WP_Query
  */
 function phpbnl_change_sort_order($query){
+
     if(is_archive() && isset($query->query_vars['post_type']) && $query->query_vars['post_type'] == 'sessions'):
         $query->set( 'orderby', 'meta_value');
         $query->set( 'meta_key', 'session_type');
         $query->set('order', 'ASC');
     elseif (is_archive() && isset($query->query_vars['post_type']) && $query->query_vars['post_type'] == 'speaker'):
-        $query->set( 'orderby', 'meta_value' );
-        $query->set( 'meta_key', 'title' );
+        $query->set( 'orderby', 'title' );
         $query->set( 'order', 'ASC' );
     endif;
 
@@ -27,7 +30,8 @@ function phpbnl_change_sort_order($query){
 };
 
 /**
- * @param $query
+ * @param WP_Query $query
+ *
  * @return WP_Query
  */
 function phpbnl_filter_sessions($query){