diff --git a/src/hci_transport_usb.c b/src/hci_transport_usb.c
index 43d210b24..54c63d7c8 100644
--- a/src/hci_transport_usb.c
+++ b/src/hci_transport_usb.c
@@ -272,6 +272,10 @@ static void handle_completed_transfer(struct libusb_transfer *transfer){
         log_info("command done, size %u", transfer->actual_length);
         usb_command_active = 0;
 
+        // notify upper stack that iit might be possible to send again
+        uint8_t event = DAEMON_EVENT_HCI_PACKET_SENT;
+        packet_handler(HCI_EVENT_PACKET, &event, 1);
+        
         resubmit = 0;
     } else {