diff -up pflogsumm-1.1.3/pflogsumm.pl.datecalc pflogsumm-1.1.3/pflogsumm.pl
--- pflogsumm-1.1.3/pflogsumm.pl.datecalc	2010-03-20 21:00:42.000000000 +0100
+++ pflogsumm-1.1.3/pflogsumm.pl	2010-06-10 15:57:27.000000000 +0200
@@ -400,8 +400,8 @@ Copyright (C) 1998-2010 by James S. Seym
 use strict;
 use locale;
 use Getopt::Long;
-eval { require Date::Calc };
-my $hasDateCalc = $@ ? 0 : 1;
+require Date::Calc;
+my $hasDateCalc = 1;
 
 my $mailqCmd = "mailq";
 my $release = "1.1.3";