diff --git a/libusb/hid.c b/libusb/hid.c
index 246c22b..d3de159 100644
--- a/libusb/hid.c
+++ b/libusb/hid.c
@@ -1294,7 +1294,7 @@ int HID_API_EXPORT_CALL hid_get_indexed_string(hid_device *dev, int string_index
 
 HID_API_EXPORT const wchar_t * HID_API_CALL  hid_error(hid_device *dev)
 {
-	return NULL;
+	return L"hid_error is not implemented yet";
 }