diff --git a/src/Appwrite/Auth/OAuth2/Microsoft.php b/src/Appwrite/Auth/OAuth2/Microsoft.php
index 630c4aa224..c926165e2a 100644
--- a/src/Appwrite/Auth/OAuth2/Microsoft.php
+++ b/src/Appwrite/Auth/OAuth2/Microsoft.php
@@ -146,7 +146,7 @@ class Microsoft extends OAuth2
      * Extracts the Client Secret from the JSON stored in appSecret
      * @return string
      */
-    protected function getClientSecret():string
+    protected function getClientSecret(): string
     {
         $secret = $this->decodeJson();