diff --git a/src/Repositories/ClientRepositoryInterface.php b/src/Repositories/ClientRepositoryInterface.php
index a2eb3309..ba0610d5 100644
--- a/src/Repositories/ClientRepositoryInterface.php
+++ b/src/Repositories/ClientRepositoryInterface.php
@@ -27,5 +27,5 @@ interface ClientRepositoryInterface extends RepositoryInterface
      *
      * @return ClientEntityInterface
      */
-    public function getClientEntity($clientIdentifier, $grantType = null, $clientSecret = null, $mustValidateSecret = false);
+    public function getClientEntity($clientIdentifier, $grantType = null, $clientSecret = null, $mustValidateSecret = true);
 }