diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 22263a5..b906054 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -2,6 +2,7 @@
 
 require(__DIR__ . '/../vendor/autoload.php');
 
+global $container;
 $container = require_once __DIR__ . '/../container.php';
 
 /** @var \PSX\Framework\Test\Environment $environment */