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-rw-r--r--FS/FS/cust_main.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/FS/FS/cust_main.pm b/FS/FS/cust_main.pm
index a39ac34c9..b828542a7 100644
--- a/FS/FS/cust_main.pm
+++ b/FS/FS/cust_main.pm
@@ -8434,7 +8434,7 @@ sub queued_bill {
sub _upgrade_data { #class method
my ($class, %opts) = @_;
- my $sql = 'UPDATE h_cust_main SET paycvv = NULL';
+ my $sql = 'UPDATE h_cust_main SET paycvv = NULL WHERE paycvv IS NOT NULL';
my $sth = dbh->prepare($sql) or die dbh->errstr;
$sth->execute or die $sth->errstr;