diff --git a/lib/Doctrine/ORM/Query.php b/lib/Doctrine/ORM/Query.php
index 383e04ae517..760c07c3883 100644
--- a/lib/Doctrine/ORM/Query.php
+++ b/lib/Doctrine/ORM/Query.php
@@ -770,6 +770,8 @@ public function setHydrationMode($hydrationMode): self
      * @param int $lockMode
      * @psalm-param LockMode::* $lockMode
      *
+     * @return $this
+     *
      * @throws TransactionRequiredException
      */
     public function setLockMode($lockMode): self