diff --git a/sys/conf/files.sparc64 b/sys/conf/files.sparc64
index 534da7c2b6c4..ed523b976a19 100644
--- a/sys/conf/files.sparc64
+++ b/sys/conf/files.sparc64
@@ -12,6 +12,12 @@ crypto/blowfish/bf_enc.c	optional	ipsec ipsec_esp
 crypto/des/des_enc.c		optional	ipsec ipsec_esp
 dev/ofw/ofw_console.c		optional	ofw_console
 dev/ofw/openfirm.c		standard
+dev/sio/sio.c			optional	sio
+dev/sio/sio_ebus.c		optional	sio ebus
+dev/sio/sio_isa.c		optional	sio isa
+dev/sio/sio_pccard.c		optional	sio card
+dev/sio/sio_pccard.c		optional	sio pccard
+dev/sio/sio_pci.c		optional	sio pci
 libkern/ffs.c			standard
 kern/subr_diskmbr.c		standard
 kern/syscalls.c			optional	ktr