diff --git a/src/TranslationAppClient.php b/src/TranslationAppClient.php
index 333d99d..cad9e10 100644
--- a/src/TranslationAppClient.php
+++ b/src/TranslationAppClient.php
@@ -61,7 +61,7 @@ public function getTranslations(TranslationQueryValueObject $valueObject): array
             }
         }
 
-        return ['data' => $processedData, 'total' => $data?->getTotal(), 'metadata' => $metadata];
+        return ['data' => $processedData, 'total' => $data?->getTotal() ?? 0, 'metadata' => $metadata];
     }
 
     /**
diff --git a/src/ValueObjects/TranslationItemValueObject.php b/src/ValueObjects/TranslationItemValueObject.php
index eadb3a7..75c35c8 100644
--- a/src/ValueObjects/TranslationItemValueObject.php
+++ b/src/ValueObjects/TranslationItemValueObject.php
@@ -4,18 +4,18 @@
 
 namespace Uc\TranslationAppSdk\ValueObjects;
 
-readonly class TranslationItemValueObject
+class TranslationItemValueObject
 {
     public function __construct(
-        protected string $key,
-        protected string $value,
-        protected string $languageCode,
-        protected string $updatedAt,
-        protected string $resource,
-        protected int $resourceId,
-        protected string $editor,
-        protected int $id,
-        protected ?array $params,
+        protected readonly string $key,
+        protected readonly string $value,
+        protected readonly string $languageCode,
+        protected readonly string $updatedAt,
+        protected readonly string $resource,
+        protected readonly int $resourceId,
+        protected readonly string $editor,
+        protected readonly int $id,
+        protected readonly ?array $params,
     )
     {
     }
diff --git a/src/ValueObjects/TranslationQueryValueObject.php b/src/ValueObjects/TranslationQueryValueObject.php
index 8e4ce9d..bafd491 100644
--- a/src/ValueObjects/TranslationQueryValueObject.php
+++ b/src/ValueObjects/TranslationQueryValueObject.php
@@ -4,16 +4,16 @@
 
 namespace Uc\TranslationAppSdk\ValueObjects;
 
-readonly class TranslationQueryValueObject
+class TranslationQueryValueObject
 {
     public function __construct(
-        protected int $resourceId,
-        protected string $languageCode,
-        protected string $resource,
-        protected ?string $key = null,
-        protected array $orderBy = [],
-        protected int $page = 0,
-        protected int $first = 10,
+        protected readonly int $resourceId,
+        protected readonly string $languageCode,
+        protected readonly string $resource,
+        protected readonly ?string $key = null,
+        protected readonly array $orderBy = [],
+        protected readonly int $page = 0,
+        protected readonly int $first = 10,
     ){
     }