X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/mfinanz.git/blobdiff_plain/1b69969f8d9fedd218b059b7148bc3778ee600f3..adb2f4cd6b1da8c8bc7f53be89ced2fa649b512f:/SL/DB/Customer.pm

diff --git a/SL/DB/Customer.pm b/SL/DB/Customer.pm
index 2e3fa6856..a19520ed7 100644
--- a/SL/DB/Customer.pm
+++ b/SL/DB/Customer.pm
@@ -35,7 +35,7 @@ __PACKAGE__->before_save('_before_save_set_customernumber');
 sub _before_save_set_customernumber {
   my ($self) = @_;
 
-  $self->create_trans_number if $self->customernumber eq '';
+  $self->create_trans_number if !defined $self->customernumber || $self->customernumber eq '';
   return 1;
 }
 
@@ -51,4 +51,7 @@ sub displayable_name {
   return join ' ', grep $_, $self->customernumber, $self->name;
 }
 
+sub is_customer { 1 };
+sub is_vendor   { 0 };
+
 1;