diff --git a/lib/Travelynx/Helper/Traewelling.pm b/lib/Travelynx/Helper/Traewelling.pm
index d22e799..7bac88a 100644
--- a/lib/Travelynx/Helper/Traewelling.pm
+++ b/lib/Travelynx/Helper/Traewelling.pm
@@ -330,7 +330,7 @@ sub checkin {
 			my ($tx) = @_;
 			if ( my $err = $tx->error ) {
 				my $err_msg = "HTTP $err->{code} $err->{message}";
-				if ( $err->{code} != 409 ) {
+				if ( $err->{code} != 409 and $err->{code} != 406 ) {
 					$self->{log}->warn("Traewelling checkin error: $err_msg");
 				}
 				else {