diff --git a/drivers/s390/Makefile b/drivers/s390/Makefile
index c99a2fe..9803c93 100644
--- a/drivers/s390/Makefile
+++ b/drivers/s390/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the S/390 specific device drivers
 #
 
-obj-y += s390mach.o sysinfo.o
+obj-y += s390mach.o sysinfo.o s390_rdev.o
 obj-y += cio/ block/ char/ crypto/ net/ scsi/
 
 drivers-y += drivers/s390/built-in.o