diff --git a/src/Appwrite/Auth/OAuth2/Etsy.php b/src/Appwrite/Auth/OAuth2/Etsy.php
index e496c1c7be..abffd87023 100644
--- a/src/Appwrite/Auth/OAuth2/Etsy.php
+++ b/src/Appwrite/Auth/OAuth2/Etsy.php
@@ -24,7 +24,7 @@ class Etsy extends OAuth2
     /**
      * @var array
      */
-    protected $tokens = [];
+    protected array $tokens = [];
 
     /**
      * @var array