diff --git a/core/lib/Drupal/Core/EventSubscriber/ReplicaDatabaseIgnoreSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/ReplicaDatabaseIgnoreSubscriber.php
index 0b10de45a8..36cafa7f98 100644
--- a/core/lib/Drupal/Core/EventSubscriber/ReplicaDatabaseIgnoreSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/ReplicaDatabaseIgnoreSubscriber.php
@@ -63,7 +63,7 @@ public function checkReplicaServer(GetResponseEvent $event) {
     // use the db_set_ignore_replica() function to set
     // $_SESSION['ignore_replica_server'] to the timestamp after which the replica
     // can be re-enabled.
-    if ($this->session->isStarted() && $this->session->has('ignore_replica_server')) {
+    if ($this->session->has('ignore_replica_server')) {
       if ($this->session->get('ignore_replica_server') >= $this->time->getRequestTime()) {
         Database::ignoreTarget('default', 'replica');
       }