diff --git a/bumble/transport/usb.py b/bumble/transport/usb.py
index 2457f903..173e1b3b 100644
--- a/bumble/transport/usb.py
+++ b/bumble/transport/usb.py
@@ -46,8 +46,9 @@ def load_libusb():
     when usb1.USBContext is created.
     '''
     if libusb_path := libusb_package.get_library_path():
+        logger.debug(f'loading libusb library at {libusb_path}')
         dll_loader = ctypes.WinDLL if platform.system() == 'Windows' else ctypes.CDLL
-        libusb_dll = dll_loader(libusb_path, use_errno=True, use_last_error=True)
+        libusb_dll = dll_loader(str(libusb_path), use_errno=True, use_last_error=True)
         usb1.loadLibrary(libusb_dll)