X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=SL%2FPrefixedNumber.pm;h=b3f60989257fb3e6763bf7e3ac153eef3563ce78;hb=04dccca70c47960cd6ea03a4f0ae05a9cbc42c41;hp=849421f9712e087241c7f4feebf4182754d4cdb4;hpb=f50ddd66b0b90f206c762c95770da530cb0b7d69;p=kivitendo-erp.git

diff --git a/SL/PrefixedNumber.pm b/SL/PrefixedNumber.pm
index 849421f97..b3f609892 100644
--- a/SL/PrefixedNumber.pm
+++ b/SL/PrefixedNumber.pm
@@ -64,7 +64,7 @@ sub set_to {
 sub set_to_max {
   my ($self, @numbers) = @_;
 
-  return $self->set_to(max map { SL::PrefixedNumber->new(number => $_)->_state->{ref_number} } @numbers);
+  return $self->set_to(max map { SL::PrefixedNumber->new(number => $_ // 0)->_state->{ref_number} } @numbers);
 }
 
 1;