diff --git a/sys/arch/alpha/include/pmap.h b/sys/arch/alpha/include/pmap.h
index 1b74e2317d62..5f746f059232 100644
--- a/sys/arch/alpha/include/pmap.h
+++ b/sys/arch/alpha/include/pmap.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: pmap.h,v 1.4 1995/11/23 02:36:25 cgd Exp $	*/
+/*	$NetBSD: pmap.h,v 1.5 1996/07/02 22:22:20 cgd Exp $	*/
 
 /* 
  * Copyright (c) 1987 Carnegie-Mellon University
@@ -40,6 +40,10 @@
  *	@(#)pmap.h	8.1 (Berkeley) 6/10/93
  */
 
+#ifdef OLD_PMAP
+#include <machine/pmap.old.h>
+#else
+
 #ifndef	_PMAP_MACHINE_
 #define	_PMAP_MACHINE_
 
@@ -124,3 +128,5 @@ void	pmap_emulate_reference __P((struct proc *p, vm_offset_t v,
 #endif /* _KERNEL */
 
 #endif /* _PMAP_MACHINE_ */
+
+#endif /* OLD_PMAP */