{
USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */
- #if (ARCH == ARCH_AVR8)
+ #if ((ARCH == ARCH_AVR8) || (ARCH == ARCH_XMEGA))
wchar_t UnicodeString[];
#else
uint16_t UnicodeString[]; /**< String data, as unicode characters (alternatively,