.ConfigurationNumber    = 1,
                        .ConfigurationStrIndex  = NO_DESCRIPTOR,
 
-                       .ConfigAttributes       = (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),
+                       .ConfigAttributes       = (USB_CONFIG_ATTR_RESERVED | USB_CONFIG_ATTR_SELFPOWERED),
 
                        .MaxPowerConsumption    = USB_CONFIG_POWER_MA(100)
                },