diff --git a/sys/cam/cam_periph.c b/sys/cam/cam_periph.c
--- a/sys/cam/cam_periph.c
+++ b/sys/cam/cam_periph.c
@@ -1996,6 +1996,7 @@
 		relsim_flags = RELSIM_RELEASE_AFTER_TIMEOUT;
 		/* FALLTHROUGH */
 	case CAM_ATA_STATUS_ERROR:
+	case CAM_SMP_STATUS_ERROR:
 	case CAM_REQ_CMP_ERR:
 	case CAM_CMD_TIMEOUT:
 	case CAM_UNEXP_BUSFREE: