diff --git a/src/enums/MDNodaRepository.php b/src/enums/MDNodaRepository.php
index 8218fa9..a3a2789 100644
--- a/src/enums/MDNodaRepository.php
+++ b/src/enums/MDNodaRepository.php
@@ -813,6 +813,7 @@ enum MDNodaRepository implements MDValueEnumInterface, JsonSerializable {
             ]),
             self::viaf      => self::validateNumericId($id, [
                 'https://viaf.org/viaf/',
+                'https://viaf.org/de/viaf/',
                 'http://viaf.org/viaf/',
             ]),
             self::wikidata  => self::validateWikidataId($id),
diff --git a/tests/MDNodaRepositoryTest.php b/tests/MDNodaRepositoryTest.php
index 44b7255..a8acc78 100644
--- a/tests/MDNodaRepositoryTest.php
+++ b/tests/MDNodaRepositoryTest.php
@@ -257,6 +257,7 @@ final class MDNodaRepositoryTest extends TestCase {
     public static function viafIdForValidationProvider():Generator {
 
         yield "Full URL, http / 248941990" => ["248941990", "http://viaf.org/viaf/248941990"];
+        yield "Full URL, https, de / 34470968" => ["34470968", "https://viaf.org/de/viaf/34470968"];
         yield "Full URL, https / 248941990" => ["248941990", "https://viaf.org/viaf/248941990"];
         yield "Full URL, https / 42893419" => ["42893419", "https://viaf.org/viaf/42893419"];
         yield "Full URL, https / 86145857811423020454" => ["86145857811423020454", "https://viaf.org/viaf/86145857811423020454"];