diff --git a/MAINTAINERS b/MAINTAINERS
index 7a2ce3840b5c..44a5e76230e8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18260,6 +18260,7 @@ F:	Documentation/driver-api/s390-drivers.rst
 F:	Documentation/s390/
 F:	arch/s390/
 F:	drivers/s390/
+F:	drivers/watchdog/diag288_wdt.c
 
 S390 COMMON I/O LAYER
 M:	Vineeth Vijayan <vneethv@linux.ibm.com>