diff --git a/sys/bus/cam/scsi/scsi_ses.c b/sys/bus/cam/scsi/scsi_ses.c
--- a/sys/bus/cam/scsi/scsi_ses.c
+++ b/sys/bus/cam/scsi/scsi_ses.c
@@ -563,6 +563,7 @@
 		 */
 		cam_periph_lock(periph);
 		for (uobj = addr, i = 0; i != ssc->ses_nobjects; i++, uobj++) {
+			memset(&obj, 0, sizeof(obj));
 			obj.obj_id = i;
 			obj.subencid = ssc->ses_objmap[i].subenclosure;
 			obj.object_type = ssc->ses_objmap[i].enctype;