fix invoice report when there are no customer classes, #37243, from #25943

[freeside.git] / FS / FS / cust_bill / Search.pm

diff --git a/FS/FS/cust_bill/Search.pm b/FS/FS/cust_bill/Search.pm
index 726d5bc..fa552f0 100644 (file)
--- a/FS/FS/cust_bill/Search.pm
+++ b/FS/FS/cust_bill/Search.pm
@@ -236,7 +236,7 @@ sub search_sql_where {
                      ? @{ $param->{'cust_classnum'} }
                      :  ( $param->{'cust_classnum'} );
 
-    @classnum = grep /^(\d*)$/, @classnum;
+    @classnum = grep /^(\d+)$/, @classnum;
 
     if ( @classnum ) {
       push @search, 'COALESCE(cust_main.classnum, 0) IN ('.join(',', @classnum).')';