diff --git a/sys/conf/files b/sys/conf/files
index 924b9f4737b9..7f8e689a3e9d 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -61,6 +61,7 @@ cam/scsi/scsi_cd.c	optional cd
 cam/scsi/scsi_ch.c	optional ch
 cam/scsi/scsi_pass.c	optional pass
 cam/scsi/scsi_scan.c	optional scan
+cam/scsi/scsi_ses.c	optional ses
 cam/scsi/scsi_target.c	optional targ
 cam/scsi/scsi_targ_bh.c	optional targbh
 crypto/sha1.c		optional ipsec