diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/GenderFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/GenderFilter.php
index c52b7dd92..29b77a430 100644
--- a/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/GenderFilter.php
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/GenderFilter.php
@@ -12,6 +12,7 @@ declare(strict_types=1);
 namespace Chill\PersonBundle\Export\Filter\PersonFilters;
 
 use Chill\MainBundle\Entity\Gender;
+use Chill\MainBundle\Export\DataTransformerInterface;
 use Chill\MainBundle\Export\ExportElementValidatedInterface;
 use Chill\MainBundle\Export\FilterInterface;
 use Chill\MainBundle\Repository\GenderRepository;
@@ -27,7 +28,8 @@ use Symfony\Contracts\Translation\TranslatorInterface;
 
 class GenderFilter implements
     ExportElementValidatedInterface,
-    FilterInterface
+    FilterInterface,
+    DataTransformerInterface
 {
     // inject gender repository and find the active genders so that you can pass them to the ChoiceType (ordered by ordering)
     public function __construct(private readonly TranslatorInterface $translator, private readonly TranslatableStringHelperInterface $translatableStringHelper, private readonly GenderRepository $genderRepository) {}
@@ -77,6 +79,26 @@ class GenderFilter implements
         ]);
     }
 
+    public function transformData(?array $before): array
+    {
+        $transformedData = $before;
+
+        if (array_key_exists('accepted_genders', $before)) {
+            $genderMapping = [
+                'woman' => 2,
+                'man' => 1,
+                'both' => 3,
+                'unknown' => null,
+            ];
+
+            $transformedData['accepted_genders_entity'] = array_map(function ($gender) use ($genderMapping) {
+                return $genderMapping[$gender] ?? null;
+            }, $before['accepted_genders']);
+        }
+
+        return $transformedData;
+    }
+
     public function getFormDefaultData(): array
     {
         return [];