diff --git a/src/Controller/App/MapperController.php b/src/Controller/App/MapperController.php
index 78abe8103..4aae345af 100644
--- a/src/Controller/App/MapperController.php
+++ b/src/Controller/App/MapperController.php
@@ -35,11 +35,11 @@ public function __construct(
     #[Route('/{regionKey}/mapper/{id}', name: 'app_mapper', requirements: ['regionKey' => '[\w\-_]+'])]
     #[Route('/{continent}/{regionKey}/mapper/{id}', name: 'app_mapper_full', requirements: ['continent' => 'asia|africa|australia|europe|north-america|south-america', 'regionKey' => '[\w\-_]+'])]
     #[IsGranted('ROLE_USER')]
-    public function index(Request $request, Mapper $mapper, string $regionKey, ?string $continent): Response
+    public function index(Request $request, string $regionKey, int $id, ?string $continent): Response
     {
         $region = $this->provider->getRegion($continent, $regionKey);
 
-        $this->mapper = $mapper;
+        $this->mapper = $this->entityManager->find(Mapper::class, $id);
 
         $mapperRegions = array_map(fn (Region $region) => $region->getId(), $this->mapper->getRegion()->toArray());
 
@@ -76,7 +76,7 @@ public function index(Request $request, Mapper $mapper, string $regionKey, ?stri
         $firstChangetsetCreatedAt = array_map(fn (Mapper $mapper): ?\DateTimeImmutable => $mapper->getFirstChangeset()->getCreatedAt(), $mappers);
         array_multisort($firstChangetsetCreatedAt, \SORT_DESC, $mappers);
 
-        $current = array_search($mapper, $mappers, true);
+        $current = array_search($this->mapper, $mappers, true);
         $prev = $current > 0 ? $mappers[$current - 1] : null;
         $next = $current < (\count($mappers) - 1) ? $mappers[$current + 1] : null;