diff --git a/sys/cam/ctl/ctl.c b/sys/cam/ctl/ctl.c
index f7d5e41d33f5..f65ec7e7fdf3 100644
--- a/sys/cam/ctl/ctl.c
+++ b/sys/cam/ctl/ctl.c
@@ -11822,7 +11822,7 @@ ctl_lun_reset(struct ctl_lun *lun, union ctl_io *io, ctl_ua_type ua_type)
 		ctl_clear_mask(lun->have_ca, i);
 		lun->pending_sense[i].ua_pending |= ua_type;
 	}
-	mtx_lock(&lun->lun_lock);
+	mtx_unlock(&lun->lun_lock);
 
 	return (0);
 }