diff --git a/tools/odrive/usbbulk_transport.py b/tools/odrive/usbbulk_transport.py
index 2a7075b8..f513789f 100644
--- a/tools/odrive/usbbulk_transport.py
+++ b/tools/odrive/usbbulk_transport.py
@@ -174,7 +174,8 @@ def discover_channels(path, serial_number, callback, cancellation_token, printer
           continue
         else:
           printer("USB device init failed. Ignoring this device")
+          known_devices.append((usb_device.bus, usb_device.address))
       else:
+        known_devices.append((usb_device.bus, usb_device.address))
         callback(channel)
-      known_devices.append((usb_device.bus, usb_device.address))
     time.sleep(1)