diff --git a/tests/mock/container_builder.php b/tests/mock/container_builder.php
index 05083c3a3c..b27b0e64cb 100644
--- a/tests/mock/container_builder.php
+++ b/tests/mock/container_builder.php
@@ -21,6 +21,7 @@ class phpbb_mock_container_builder implements ContainerInterface
 	public function __construct()
 	{
 		$this->setParameter('debug.load_time', false);
+		$this->setParameter('log.session_errors', false);
 	}
 
 	/**