diff --git a/LUFA/Drivers/Peripheral/SerialStream.c b/LUFA/Drivers/Peripheral/SerialStream.c
index 4ae0a7f161..c23d4e16ae 100644
--- a/LUFA/Drivers/Peripheral/SerialStream.c
+++ b/LUFA/Drivers/Peripheral/SerialStream.c
@@ -46,7 +46,7 @@ static int SerialStream_RxByte(FILE *Stream)
 	(void)Stream;
 	
 	if (!(Serial_IsCharReceived()))
-	  return EOF;
+	  return _FDEV_EOF;
 
 	return Serial_RxByte();
 }