diff --git a/src/GrocyClient.php b/src/GrocyClient.php
index 87d5b13..78275b8 100644
--- a/src/GrocyClient.php
+++ b/src/GrocyClient.php
@@ -99,7 +99,8 @@ class GrocyClient
         $array = $this->client->get(sprintf('objects/%s', $entity), compact('order', 'limit', 'offset'));
         $objects = [];
         foreach ($array as $rawObject) {
-            $objects[] = ObjectTransformer::denormalize($rawObject, $entity);
+            $object = ObjectTransformer::denormalize($rawObject, $entity);
+            $objects[$object->getId()] = $object;
         }
 
         return $objects;