diff --git a/server/drivers/hd44780-serial.c b/server/drivers/hd44780-serial.c
index d2ad0a5..10a5ba7 100644
--- a/server/drivers/hd44780-serial.c
+++ b/server/drivers/hd44780-serial.c
@@ -66,8 +66,10 @@ unsigned int bitrate_conversion[][2] = {
 	{ 19200, B19200 },
 	{ 38400, B38400 },
 	{ 57600, B57600 },
-	{ 115200, B115200 },
-	{ 230400, B230400 }
+	{ 115200, B115200 }
+#if defined(B230400)
+	, { 230400, B230400 }
+#endif	
 #if defined(B460800)	
 	, { 460800, B460800 }
 #endif