diff --git a/sys/arch/sgimips/include/param.h b/sys/arch/sgimips/include/param.h
index ef061701b861..a5cf644856c8 100644
--- a/sys/arch/sgimips/include/param.h
+++ b/sys/arch/sgimips/include/param.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: param.h,v 1.9 2006/09/26 13:11:59 tsutsui Exp $	*/
+/*	$NetBSD: param.h,v 1.10 2008/02/21 09:32:12 sekiya Exp $	*/
 
 /*
  * Copyright (c) 1992, 1993
@@ -71,6 +71,10 @@
 #ifndef	_SGIMIPS_PARAM_H_
 #define	_SGIMIPS_PARAM_H_
 
+#if !defined(MSGBUFSIZE)
+#define	MSGBUFSIZE	8192
+#endif
+
 #include <mips/mips_param.h>
 
 #define	_MACHINE_ARCH	mipseb
@@ -84,6 +88,7 @@
 #define BLKDEV_IOSIZE	2048
 #define	MAXPHYS		(64 * 1024)	/* Maximum raw I/O transfer size */
 
+
 /*
  * Constants related to network buffer management.
  * MCLBYTES must be no larger than NBPG (the software page size), and,