diff --git a/lib/Doctrine/ORM/EntityManager.php b/lib/Doctrine/ORM/EntityManager.php
index 66aace05d2d..c3535148714 100644
--- a/lib/Doctrine/ORM/EntityManager.php
+++ b/lib/Doctrine/ORM/EntityManager.php
@@ -926,7 +926,7 @@ private function checkLockRequirements(int $lockMode, ClassMetadata $class): voi
                 if (!$class->isVersioned) {
                     throw OptimisticLockException::notVersioned($class->name);
                 }
-            // Intentional fallthrough
+                break;
             case LockMode::PESSIMISTIC_READ:
             case LockMode::PESSIMISTIC_WRITE:
                 if (!$this->getConnection()->isTransactionActive()) {