diff --git a/src/bluetooth/bluez/bluez_data_p.h b/src/bluetooth/bluez/bluez_data_p.h

index 9d0d9d9..92f0e63 100644

--- a/src/bluetooth/bluez/bluez_data_p.h

+++ b/src/bluetooth/bluez/bluez_data_p.h

@@ -168,6 +168,9 @@ static inline quint16 bt_get_le16(const void *ptr)

     return bt_get_unaligned((const quint16 *) ptr);

 }

 #elif __BYTE_ORDER == __BIG_ENDIAN

+#ifndef bswap_16

+#define bswap_16(x) (((x) & 0x00ff) << 8 | ((x) & 0xff00) >> 8)

+#endif

 static inline quint16 bt_get_le16(const void *ptr)

 {

     return qbswap(bt_get_unaligned((const quint16 *) ptr));