diff --git a/app/Plan/PlanController.php b/app/Plan/PlanController.php
index 3dd6ab4..cb88de8 100644
--- a/app/Plan/PlanController.php
+++ b/app/Plan/PlanController.php
@@ -16,9 +16,10 @@ class PlanController
         Response $response,
         CreatePlan $createPlanUseCase,
     ): Response {
-        $data = $request->getParsedBody();
-        $userId = $data['userId'] ?? null;
-        $textId = $data['textId'] ?? null;
+        $data = json_decode((string) $request->getBody(), true) ?? [];
+
+        $userId = isset($data['userId']) ? (int) $data['userId'] : null;
+        $textId = isset($data['textId']) ? (int) $data['textId'] : null;
         $name = $data['name'] ?? null;
         $dateStart = $data['dateStart'] ?? null;
         $dateEnd = $data['dateEnd'] ?? null;