diff --git a/MAINTAINERS.txt b/MAINTAINERS.txt
index d18840f9b63345c4f106a537e9e65509b74edb22..87bdd6931e920e01e564b35dc44f72cb95c687e4 100644
--- a/MAINTAINERS.txt
+++ b/MAINTAINERS.txt
@@ -27,6 +27,9 @@ Addison Berry 'add1sun' <http://drupal.org/user/65088>
 FILE MANAGEMENT SYSTEM
 Andrew Morton 'drewish' <http://drupal.org/user/34869>
 
+FILTER SYSTEM
+Daniel F. Kudwien 'sun' <http://drupal.org/user/54136>
+
 FORM SYSTEM
 Károly Négyesi 'chx' <http://drupal.org/user/9446>