diff --git a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/GenderDocGenNormalizer.php b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/GenderDocGenNormalizer.php
index 5af99be5a..3e9366673 100644
--- a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/GenderDocGenNormalizer.php
+++ b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/GenderDocGenNormalizer.php
@@ -12,7 +12,7 @@ declare(strict_types=1);
 namespace Chill\PersonBundle\Serializer\Normalizer;
 
 use Chill\MainBundle\Entity\Gender;
-use Chill\MainBundle\Templating\TranslatableStringHelper;
+use Chill\MainBundle\Templating\TranslatableStringHelperInterface;
 use Symfony\Component\Serializer\Normalizer\ContextAwareNormalizerInterface;
 use Symfony\Component\Serializer\Normalizer\NormalizerAwareInterface;
 use Symfony\Component\Serializer\Normalizer\NormalizerAwareTrait;
@@ -21,7 +21,7 @@ class GenderDocGenNormalizer implements ContextAwareNormalizerInterface, Normali
 {
     use NormalizerAwareTrait;
 
-    public function __construct(private readonly TranslatableStringHelper $translatableStringHelper) {}
+    public function __construct(private readonly TranslatableStringHelperInterface $translatableStringHelper) {}
 
     public function supportsNormalization($data, ?string $format = null, array $context = [])
     {
diff --git a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonDocGenNormalizer.php b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonDocGenNormalizer.php
index 784e0ab02..0f042691d 100644
--- a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonDocGenNormalizer.php
+++ b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/PersonDocGenNormalizer.php
@@ -95,7 +95,7 @@ class PersonDocGenNormalizer implements
             'age' => (int) $person->getAge(),
             'birthdate' => $this->normalizer->normalize($person->getBirthdate(), $format, $dateContext),
             'deathdate' => $this->normalizer->normalize($person->getDeathdate(), $format, $dateContext),
-            'gender' => $this->translatableStringHelper->localize($person->getGender()->getLabel()),
+            'gender' => null !== ($g = $person->getGender()) ? $this->translatableStringHelper->localize($g->getLabel()) : '',
             'genderEntity' => $this->normalizer->normalize($person->getGender(), $format, $genderContext),
             'maritalStatus' => null !== ($ms = $person->getMaritalStatus()) ? $this->translatableStringHelper->localize($ms->getName()) : '',
             'maritalStatusDate' => $this->normalizer->normalize($person->getMaritalStatusDate(), $format, $dateContext),