diff --git a/src/lib/MVC/Symfony/Security/User/APIUserProviderInterface.php b/src/lib/MVC/Symfony/Security/User/APIUserProviderInterface.php
index 4d4a2a534f..dfd57ff395 100644
--- a/src/lib/MVC/Symfony/Security/User/APIUserProviderInterface.php
+++ b/src/lib/MVC/Symfony/Security/User/APIUserProviderInterface.php
@@ -12,6 +12,8 @@
 
 /**
  * Interface adding Ibexa API specific methods to Symfony UserProviderInterface.
+ *
+ * @extends \Symfony\Component\Security\Core\User\UserProviderInterface<\Ibexa\Core\MVC\Symfony\Security\UserInterface>
  */
 interface APIUserProviderInterface extends UserProviderInterface
 {