--- ./timed/timed/timed.c.orig	Sun Jan  7 13:21:14 2001
+++ ./timed/timed/timed.c	Sun Jan  7 13:29:14 2001
@@ -898,7 +898,7 @@
 void
 get_goodgroup(int force)
 {
-# define NG_DELAY (30*60*CLK_TCK)	/* 30 minutes */
+# define NG_DELAY (30*60*HZ)	/* 30 minutes */
 	static unsigned long last_update = -NG_DELAY;
 	unsigned long new_update;
 /*	struct hosttbl *htp; */