--- fwknop_serv.orig   2007-11-21 20:59:13.000000000 +0200
+++ fwknop_serv        2007-11-21 21:02:08.000000000 +0200
@@ -22,7 +22,7 @@
 use POSIX;
 use strict;
 
-my $config_file = '/etc/fwknop/fwknop.conf';
+my $config_file = '%%PREFIX%%/etc/fwknop/fwknop.conf';
 my %config = ();
 
 my @required_vars = qw(