diff --git a/src/Controller/ApiController.php b/src/Controller/ApiController.php
index 18691d29a3cc9b65f44bdc5e0ba45977fa071a11..555a7cdc6176ef42feb57e32d859cb37c6250ca1 100644
--- a/src/Controller/ApiController.php
+++ b/src/Controller/ApiController.php
@@ -54,7 +54,7 @@ class ApiController extends AbstractController
          */
         $user = $this->getUser();
         try {
-            $transaction = $this->serializer->deserialize($request->getContent(), Transaction::class, "json");
+            $transaction = $this->serializer->deserialize($request->getContent(), Transaction::class, "json", [DateTimeNormalizer::FORMAT_KEY => "Y-m-d"]);
         } catch (\Exception $error) {
             return new Response($error, 400);
         }