diff --git a/sys/dev/usb/umass.c b/sys/dev/usb/umass.c
index 7db681a1b30e..f86adf50f718 100644
--- a/sys/dev/usb/umass.c
+++ b/sys/dev/usb/umass.c
@@ -2911,6 +2911,22 @@ umass_atapi_transform(struct umass_softc *sc, unsigned char *cmd, int cmdlen,
 	case SYNCHRONIZE_CACHE:
 	case MODE_SELECT_10:
 	case MODE_SENSE_10:
+	case READ_BUFFER:
+	case 0x42: /* READ_SUBCHANNEL */
+	case 0x43: /* READ_TOC */
+	case 0x44: /* READ_HEADER */
+	case 0x51: /* READ_DISK_INFO */
+	case 0x52: /* READ_TRACK_INFO */
+	case 0x54: /* SEND_OPC */
+	case 0x59: /* READ_MASTER_CUE */
+	case 0x5b: /* CLOSE_TR_SESSION */
+	case 0x5c: /* READ_BUFFER_CAP */
+	case 0x5d: /* SEND_CUE_SHEET */
+	case 0xa1: /* BLANK */
+	case 0xa6: /* EXCHANGE_MEDIUM */
+	case 0xad: /* READ_DVD_STRUCTURE */
+	case 0xbb: /* SET_CD_SPEED */
+	case 0xe5: /* READ_TRACK_INFO_PHILIPS */
 		memcpy(*rcmd, cmd, cmdlen);
 		return 1;