1 files changed, 2 insertions, 2 deletions
diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h
index 8610f5a..f975ccd 100755
--- a/cores/arduino/HardwareSerial.h
+++ b/cores/arduino/HardwareSerial.h
@@ -39,12 +39,13 @@ class HardwareSerial : public Print
     uint8_t _txen;
     uint8_t _rxcie;
     uint8_t _udre;
+    uint8_t _u2x;
   public:
     HardwareSerial(ring_buffer *rx_buffer,
       volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
       volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
       volatile uint8_t *udr,
-      uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre);
+      uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x);
     void begin(long);
     uint8_t available(void);
     int read(void);
@@ -62,4 +63,3 @@ extern HardwareSerial Serial3;
 #endif
 
 #endif
-