diff --git a/firmware/hackrf_usb/usb_queue.c b/firmware/hackrf_usb/usb_queue.c
index c0b5f7d7..10fd1ef8 100644
--- a/firmware/hackrf_usb/usb_queue.c
+++ b/firmware/hackrf_usb/usb_queue.c
@@ -160,6 +160,13 @@ void usb_queue_transfer_complete(usb_endpoint_t* const endpoint)
 {
         usb_transfer_t* transfer = endpoint_pop_transfer(endpoint);
         unsigned int transferred = transfer->maximum_length - transfer->td.total_bytes;
+        uint8_t status = transfer->td.total_bytes;
+        if (status & USB_TD_DTD_TOKEN_STATUS_ACTIVE
+            || status & USB_TD_DTD_TOKEN_STATUS_HALTED
+            || status & USB_TD_DTD_TOKEN_STATUS_BUFFER_ERROR
+            || status & USB_TD_DTD_TOKEN_STATUS_TRANSACTION_ERROR) {
+                assert(0);
+        }
         if (transfer->completion_cb)
                 transfer->completion_cb(transfer, transferred);
         free_transfer(transfer);