X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/mfinanz.git/blobdiff_plain/991d36cb2374ea8f1b5ed82b396d4d748fe11313..8c1ef5dbfcbb079169c0aeb286656fc3513d2fe0:/SL/DATEV/CSV.pm

diff --git a/SL/DATEV/CSV.pm b/SL/DATEV/CSV.pm
index 3d81e6274..6d6594582 100644
--- a/SL/DATEV/CSV.pm
+++ b/SL/DATEV/CSV.pm
@@ -22,7 +22,7 @@ my @kivitendo_to_datev = (
                               max_length      => 13,
                               type            => 'Value',
                               required        => 1,
-                              input_check     => sub { my ($input) = @_; return (looks_like_number($input) && length($input) <= 13) },
+                              input_check     => sub { my ($input) = @_; return (looks_like_number($input) && length($input) <= 13 && $input > 0) },
                               formatter       => \&_format_amount,
                               valid_check     => sub { my ($check) = @_; return ($check =~ m/^\d{1,10}(\,\d{1,2})?$/) },
                             },