diff --git a/src/Tribe/Additional_Fields/Values.php b/src/Tribe/Additional_Fields/Values.php
index 9410a40..fcb349e 100644
--- a/src/Tribe/Additional_Fields/Values.php
+++ b/src/Tribe/Additional_Fields/Values.php
@@ -57,14 +57,14 @@ class Tribe__Events__Filterbar__Additional_Fields__Values {
                        ? " AND post_status IN ( $post_statuses ) "
                        : '';

-               $query = "
+               $query = apply_filters( 'tribe_events_filter_additional_fields_query', "
                        SELECT     DISTINCT( meta_value )
                        FROM       $wpdb->postmeta
                        INNER JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->postmeta.post_id
                        WHERE      $wpdb->postmeta.meta_key = %s
                          AND      $wpdb->posts.post_type = %s
                                   $and_post_status_set
-               ";
+               " );

                $values = (array) $wpdb->get_col( $wpdb->prepare(
                        $query, $meta_key, Tribe__Events__Main::POSTTYPE