@@ -83,7 +83,7 @@ public function denormalize(mixed $data, string $type, ?string $format = null, a
 
         // Surface the client-generated id so the entity setter receives it.
         if ($isPostOperation && $allowClientGeneratedId && isset($data['data']['id'])) {
-            $dataToDenormalize['id'] = $data['data']['id'];
+            $dataToDenormalize[ReservedAttributeNameConverter::JSON_API_RESERVED_ATTRIBUTES['id']] = $data['data']['id'];
         }
 
         return parent::denormalize($dataToDenormalize, $type, $format, $context);
Original file line number	Diff line number	Diff line change
`@@ -83,7 +83,7 @@ public function denormalize(mixed $data, string $type, ?string $format = null, a`
`83`	`83`
`84`	`84`	`// Surface the client-generated id so the entity setter receives it.`
`85`	`85`	`if ($isPostOperation && $allowClientGeneratedId && isset($data['data']['id'])) {`
`86`		`- $dataToDenormalize['id'] = $data['data']['id'];`
	`86`	`+ $dataToDenormalize[ReservedAttributeNameConverter::JSON_API_RESERVED_ATTRIBUTES['id']] = $data['data']['id'];`
`87`	`87`	`}`
`88`	`88`
`89`	`89`	`return parent::denormalize($dataToDenormalize, $type, $format, $context);`