diff --git a/security/custom_password_authenticator.rst b/security/custom_password_authenticator.rst
index 9b556a1b818..d9f7efa6613 100644
--- a/security/custom_password_authenticator.rst
+++ b/security/custom_password_authenticator.rst
@@ -69,7 +69,7 @@ the user::
                 if ('' === ($givenPassword = $token->getCredentials())) {
                     throw new BadCredentialsException('The given password cannot be empty.');
                 }
-                if (!$this->encoder->isPasswordValid($user->getPassword(), $givenPassword, $user->getSalt())) {
+                if (!$this->encoder->isPasswordValid($user, $givenPassword)) {
                     throw new BadCredentialsException('The given password is invalid.');
                 }
             }