diff --git a/MAINTAINERS b/MAINTAINERS
index f4d4be1c310..96608b722b0 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -105,6 +105,7 @@ build machinery (*.in)	Alexandre Oliva		aoliva@redhat.com
 docs co-maintainer	Gerald Pfeifer		pfeifer@dbai.tuwien.ac.at
 Pico-Java port		Steve Chamberlain	sac@transmeta.com
 RTEMS Ports		Joel Sherrill	
+s390 port		Hartmut Penner		hpenner@de.ibm.com
 
 Note individuals who maintain parts of the compiler need approval to check
 in changes outside of the parts of the compiler they maintain.