diff --git a/MAINTAINERS b/MAINTAINERS
index d356495..56f107e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20,6 +20,7 @@
 CRIS               Edgar E. Iglesias
 Alpha              ?
 MicroBlaze         Edgar E. Iglesias
+S390               ?
 
 Machines (sorted by CPU):
 -------------------------
@@ -63,6 +64,8 @@
 Alpha
 MicroBlaze
   petalogix_s3adsp1800.c  Edgar E. Iglesias
+S390
+  s390-*.c                Alexander Graf
 
 Generic Subsystems:
 -------------------