diff --git a/platform/libusb/hci_transport_h2_libusb.c b/platform/libusb/hci_transport_h2_libusb.c
index 7feb366ee..09aa5f127 100644
--- a/platform/libusb/hci_transport_h2_libusb.c
+++ b/platform/libusb/hci_transport_h2_libusb.c
@@ -444,11 +444,15 @@ LIBUSB_CALL static void async_callback(struct libusb_transfer *transfer) {
             log_error("Error re-submitting transfer %d", r);
         }
     } else if ( transfer->status == LIBUSB_TRANSFER_CANCELLED ) {
+#ifdef ENABLE_SCO_OVER_HCI
         if(( transfer->endpoint == sco_in_addr) || (transfer->endpoint == sco_out_addr)) {
             usb_transfer_list_release( sco_transfer_list, transfer );
         } else {
+#endif
             usb_transfer_list_release( default_transfer_list, transfer );
+#ifdef ENABLE_SCO_OVER_HCI
         }
+#endif
     } else {
         log_info("async_callback. not data -> resubmit transfer, endpoint %x, status %x, length %u", transfer->endpoint, transfer->status, transfer->actual_length);
         // No usable data, just resubmit packet