1 files changed, 6 insertions, 3 deletions
diff --git a/httemplate/search/cust_credit_refund.html b/httemplate/search/cust_credit_refund.html
index 1504f0fbe..817420054 100644
--- a/httemplate/search/cust_credit_refund.html
+++ b/httemplate/search/cust_credit_refund.html
@@ -85,9 +85,12 @@ if ( $cgi->param('refnum') && $cgi->param('refnum') =~ /^(\d+)$/ ) {
   $title = $part_referral->referral. " $title";
 }
 
-if ( $cgi->param('cust_classnum') ) {
-  my @classnums = grep /^\d+$/, $cgi->param('cust_classnum');
-  push @search, 'cust_main.classnum IN('.join(',',@classnums).')'
+# cust_classnum (false laziness w/ elements/cust_main_dayranges.html, elements/cust_pay_or_refund.html, prepaid_income.html, cust_bill_pay.html, cust_bill_pkg.html, cust_bill_pkg_referral.html, unearned_detail.html, cust_credit.html, cust_main::Search::search_sql)
+if ( grep { $_ eq 'cust_classnum' } $cgi->param ) {
+  my @classnums = grep /^\d*$/, $cgi->param('cust_classnum');
+  push @search, 'COALESCE( cust_main.classnum, 0) IN ( '.
+                    join(',', map { $_ || '0' } @classnums ).
+                ' )'
     if @classnums;
 }