diff --git a/core/MAINTAINERS.txt b/core/MAINTAINERS.txt
index d479f08f131..3d9b0aa3ecf 100644
--- a/core/MAINTAINERS.txt
+++ b/core/MAINTAINERS.txt
@@ -72,6 +72,7 @@ Entity system
 - Wolfgang Ziegler 'fago' http://drupal.org/user/16747
 - Nathaniel Catchpole 'catch' http://drupal.org/user/35733
 - Franz Heinzmann 'Frando' http://drupal.org/user/21850
+- Sascha Grossenbacher 'Berdir' http://drupal.org/user/214652
 
 File system
 - Andrew Morton 'drewish' http://drupal.org/user/34869