diff --git a/sys/arch/pmax/conf/files.pmax b/sys/arch/pmax/conf/files.pmax
index 6e997b03b2e6..2c215e2cda45 100644
--- a/sys/arch/pmax/conf/files.pmax
+++ b/sys/arch/pmax/conf/files.pmax
@@ -1,4 +1,4 @@
-#	$NetBSD: files.pmax,v 1.55 1998/07/21 17:36:03 drochner Exp $
+#	$NetBSD: files.pmax,v 1.56 1998/09/26 21:02:56 drochner Exp $
 # DECstation-specific configuration info
 
 # maxpartitions must be first item in files.${ARCH}.
@@ -99,6 +99,7 @@ device	mcclock
 attach	mcclock at ioasic with mcclock_ioasic
 attach	mcclock at ibus with mcclock_ibus
 file	arch/pmax/pmax/clock.c
+file	dev/clock_subr.c
 file	arch/pmax/pmax/mcclock.c	mcclock
 file	dev/dec/mcclock.c		mcclock
 file	dev/dec/mcclock_pad32.c		mcclock