diff --git a/src/enums/MDNodaRepository.php b/src/enums/MDNodaRepository.php
index 31b18f9..4d6e958 100644
--- a/src/enums/MDNodaRepository.php
+++ b/src/enums/MDNodaRepository.php
@@ -118,6 +118,7 @@ enum MDNodaRepository implements MDValueEnumInterface, JsonSerializable {
         $cases = self::cases();
         foreach ($cases as $case) {
 
+            if ($case === self::allgemein) continue;
             $output = $case->validateId($input);
             if ($output !== false) return $case;