diff --git a/sys/cam/scsi/scsi_ch.c b/sys/cam/scsi/scsi_ch.c
index e82ff24a02dd..b84849f2e0de 100644
--- a/sys/cam/scsi/scsi_ch.c
+++ b/sys/cam/scsi/scsi_ch.c
@@ -419,7 +419,7 @@ chregister(struct cam_periph *periph, void *arg)
 	 * instance for it.  We'll release this reference once the devfs
 	 * instance has been freed.
 	 */
-	if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
+	if (cam_periph_acquire(periph) != 0) {
 		xpt_print(periph->path, "%s: lost periph during "
 			  "registration!\n", __func__);
 		cam_periph_lock(periph);
@@ -467,7 +467,7 @@ chopen(struct cdev *dev, int flags, int fmt, struct thread *td)
 	int error;
 
 	periph = (struct cam_periph *)dev->si_drv1;
-	if (cam_periph_acquire(periph) != CAM_REQ_CMP)
+	if (cam_periph_acquire(periph) != 0)
 		return (ENXIO);
 
 	softc = (struct ch_softc *)periph->softc;