diff --git a/api/components/OAuth2/Entities/ClientEntity.php b/api/components/OAuth2/Entities/ClientEntity.php
index 80ab62a..8636cf1 100644
--- a/api/components/OAuth2/Entities/ClientEntity.php
+++ b/api/components/OAuth2/Entities/ClientEntity.php
@@ -15,7 +15,7 @@ class ClientEntity extends \League\OAuth2\Server\Entity\ClientEntity {
         $this->secret = $secret;
     }
 
-    public function setRedirectUri(string $redirectUri) {
+    public function setRedirectUri($redirectUri) {
         $this->redirectUri = $redirectUri;
     }