1 files changed, 1 insertions, 0 deletions

diff --git a/firmware/usbstack/usb_storage.c b/firmware/usbstack/usb_storage.c
index 5a1970fd1d..85a0e2b843 100644
--- a/firmware/usbstack/usb_storage.c
+++ b/firmware/usbstack/usb_storage.c
@@ -1151,6 +1151,7 @@ static void handle_scsi(struct command_block_wrapper* cbw)
 
         default:
             logf("scsi unknown cmd %x",cbw->command_block[0x0]);
+            usb_drv_stall(ep_in, true,true);
             send_csw(UMS_STATUS_FAIL);
             cur_sense_data.sense_key=SENSE_ILLEGAL_REQUEST;
             cur_sense_data.asc=ASC_INVALID_COMMAND;