cycles must have "from" and "to" entries

1 files changed, 3 insertions, 3 deletions

diff --git a/bin/db-zugbildung-to-json b/bin/db-zugbildung-to-json
index 8ed2289..a09fe31 100755
--- a/bin/db-zugbildung-to-json
+++ b/bin/db-zugbildung-to-json
@@ -478,9 +478,9 @@ for my $train ( values %map ) {
 			}
 		}
 	}
-	if ( exists $train->{cycle}{from} ) {
-		@{ $train->{cycle}{from} } = uniq @{ $train->{cycle}{from} };
-		@{ $train->{cycle}{to} }   = uniq @{ $train->{cycle}{to} };
+	if ( exists $train->{cycle} ) {
+		@{ $train->{cycle}{from} } = uniq @{ $train->{cycle}{from} // [] };
+		@{ $train->{cycle}{to} }   = uniq @{ $train->{cycle}{to}   // [] };
 	}
 }