diff --git a/src/ApiResource/Project/RewardApiResource.php b/src/ApiResource/Project/RewardApiResource.php
index bf34027..8d33dbb 100644
--- a/src/ApiResource/Project/RewardApiResource.php
+++ b/src/ApiResource/Project/RewardApiResource.php
@@ -6,8 +6,8 @@
 use ApiPlatform\Metadata as API;
 use App\Entity\Money;
 use App\Entity\Project\Reward;
-use App\State\ApiResourceStateProcessor;
 use App\State\ApiResourceStateProvider;
+use App\State\Project\RewardStateProcessor;
 use AutoMapper\Attribute\MapTo;
 use Symfony\Component\Validator\Constraints as Assert;
 
@@ -18,7 +18,7 @@
     shortName: 'ProjectReward',
     stateOptions: new Options(entityClass: Reward::class),
     provider: ApiResourceStateProvider::class,
-    processor: ApiResourceStateProcessor::class
+    processor: RewardStateProcessor::class
 )]
 class RewardApiResource
 {
diff --git a/src/State/Project/ProjectStateProcessor.php b/src/State/Project/ProjectStateProcessor.php
index 29784db..673686c 100644
--- a/src/State/Project/ProjectStateProcessor.php
+++ b/src/State/Project/ProjectStateProcessor.php
@@ -29,7 +29,7 @@ public function process(mixed $data, Operation $operation, array $uriVariables =
         /** @var Project */
         $project = $this->autoMapper->map($data, Project::class);
 
-        if (!isset($data->id)) {
+        if (!$project->getId()) {
             $owner = $this->authService->getUser();
 
             if (!$owner) {
diff --git a/src/State/Project/RewardStateProcessor.php b/src/State/Project/RewardStateProcessor.php
new file mode 100644
index 0000000..6168a15
--- /dev/null
+++ b/src/State/Project/RewardStateProcessor.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace App\State\Project;
+
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\State\ProcessorInterface;
+use App\ApiResource\Project\RewardApiResource;
+use App\Entity\Project\Reward;
+use App\Mapping\AutoMapper;
+use App\State\EntityStateProcessor;
+
+class RewardStateProcessor implements ProcessorInterface
+{
+    public function __construct(
+        private EntityStateProcessor $entityStateProcessor,
+        private AutoMapper $autoMapper,
+    ) {}
+
+    /**
+     * @param RewardApiResource $data
+     * 
+     * @return RewardApiResource|null
+     */
+    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = [])
+    {
+        /** @var Reward */
+        $reward = $this->autoMapper->map($data, Reward::class);
+
+        if (!$reward->getId()) {
+            $reward->setUnitsAvailable($reward->getUnitsTotal());
+        }
+
+        $reward = $this->entityStateProcessor->process($reward, $operation, $uriVariables, $context);
+
+        return $this->autoMapper->map($reward, $data);
+    }
+}