===================================================================
RCS file: /cvs/RT/Invoicing/rt_invoices.pl,v
retrieving revision 1.49
retrieving revision 1.50
diff -u -r1.49 -r1.50
--- RT/Invoicing/rt_invoices.pl	2013/02/05 03:41:58	1.49
+++ RT/Invoicing/rt_invoices.pl	2013/06/20 05:36:06	1.50
@@ -1,5 +1,5 @@
 #!/usr/bin/perl
-# $AFresh1: rt_invoices.pl,v 1.48 2012/11/28 02:23:34 andrew Exp $
+# $AFresh1: rt_invoices.pl,v 1.49 2013/02/05 03:41:58 andrew Exp $
 ########################################################################
 # Copyright (c) 2011 Andrew Fresh <andrew@afresh1.com>
 #
@@ -538,7 +538,7 @@
     # XXX Only need $ticket for the alternate subject
 
     my $work_time = sprintf "%.03f", $txn->time_taken / 60;
-    my $work_type = $txn->cf('WorkType');
+    my $work_type = $txn->cf('WorkType') || '';
 
     if ( $work_type =~ s/\s*Onsite//i ) {