diff --git a/includes/core/class-member-directory.php b/includes/core/class-member-directory.php
index 3910cef8..9c051a3a 100644
--- a/includes/core/class-member-directory.php
+++ b/includes/core/class-member-directory.php
@@ -568,7 +568,9 @@ if ( ! class_exists( 'um\core\Member_Directory' ) ) {
 						$attrs['label'] = strip_tags( $attrs['label'] );
 					}
 
-					ksort( $attrs['options'] ); ?>
+					ksort( $attrs['options'] );
+
+					$attrs['options'] = apply_filters( 'um_member_directory_filter_select_options_sorted', $attrs['options'], $attrs ); ?>
 
 					<select class="um-s1" id="<?php echo esc_attr( $filter ); ?>" name="<?php echo esc_attr( $filter ); ?>"
 					        data-placeholder="<?php esc_attr_e( stripslashes( $attrs['label'] ), 'ultimate-member' ); ?>"