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-rw-r--r--lib/Travel/Status/DE/DBWagenreihung/Wagon.pm7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Travel/Status/DE/DBWagenreihung/Wagon.pm b/lib/Travel/Status/DE/DBWagenreihung/Wagon.pm
index 27f2e36..646028f 100644
--- a/lib/Travel/Status/DE/DBWagenreihung/Wagon.pm
+++ b/lib/Travel/Status/DE/DBWagenreihung/Wagon.pm
@@ -203,7 +203,12 @@ sub parse_type {
sub set_traintype {
my ( $self, $group_index, $tt ) = @_;
- $self->{group_index} = $group_index;
+ $self->{group_index} = $group_index;
+
+ if ( not $tt ) {
+ return;
+ }
+
$self->{train_subtype} = $tt;
if ( not $self->{number} or not exists( $type_attributes{$tt} ) ) {