diff --git a/sys/arch/cobalt/stand/boot/boot.h b/sys/arch/cobalt/stand/boot/boot.h
index 719d9ada2369..f7a87f00eecb 100644
--- a/sys/arch/cobalt/stand/boot/boot.h
+++ b/sys/arch/cobalt/stand/boot/boot.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: boot.h,v 1.12 2008/05/29 14:25:01 tsutsui Exp $	*/
+/*	$NetBSD: boot.h,v 1.13 2015/06/23 20:27:28 matt Exp $	*/
 
 /*-
  * Copyright (c) 2003 The NetBSD Foundation, Inc.
@@ -26,6 +26,8 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <mips/cpuregs.h>
+
 #if defined(_DEBUG)
 #define DPRINTF(x)	printf x;
 #else