diff --git a/src/config.h b/src/config.h
index 4aac654a..b3e57269 100644
--- a/src/config.h
+++ b/src/config.h
@@ -18,7 +18,7 @@
  */
 
 #define	CONSOLE_FIRMWARE	/* Default BIOS console */
-#define	CONSOLE_SERIAL		/* Serial port */
+#undef	CONSOLE_SERIAL		/* Serial port */
 #undef	CONSOLE_DIRECT_VGA	/* Direct access to VGA card */
 #undef	CONSOLE_BTEXT		/* Who knows what this does? */
 #undef	CONSOLE_PC_KBD		/* Direct access to PC keyboard */