diff --git a/src/calibre/devices/winusb.py b/src/calibre/devices/winusb.py
index c9736d401d..ed970369cd 100644
--- a/src/calibre/devices/winusb.py
+++ b/src/calibre/devices/winusb.py
@@ -263,6 +263,7 @@ def config_err_check(result, func, args):
 GetLogicalDrives = cwrap('GetLogicalDrives', DWORD, errcheck=bool_err_check, lib=kernel32)
 GetDriveType = cwrap('GetDriveTypeW', UINT, LPCWSTR, lib=kernel32)
 GetVolumeNameForVolumeMountPoint = cwrap('GetVolumeNameForVolumeMountPointW', BOOL, LPCWSTR, LPWSTR, DWORD, errcheck=bool_err_check, lib=kernel32)
+GetVolumePathNamesForVolumeName = cwrap('GetVolumePathNamesForVolumeNameW', BOOL, LPCWSTR, LPWSTR, DWORD, POINTER(DWORD), errcheck=bool_err_check, lib=kernel32)
 ExpandEnvironmentStrings = cwrap('ExpandEnvironmentStringsW', DWORD, LPCWSTR, LPWSTR, DWORD, errcheck=bool_err_check, lib=kernel32)
 CreateFile = cwrap('CreateFileW', HANDLE, LPCWSTR, DWORD, DWORD, c_void_p, DWORD, DWORD, HANDLE, errcheck=handle_err_check, lib=kernel32)
 DeviceIoControl = cwrap('DeviceIoControl', BOOL, HANDLE, DWORD, LPVOID, DWORD, LPVOID, DWORD, POINTER(DWORD), LPVOID, errcheck=bool_err_check, lib=kernel32)