diff --git a/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php b/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php
index 479b9ea..61469f2 100644
--- a/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php
+++ b/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php
@@ -717,8 +717,8 @@ protected function setUp() {
     if ($modules) {
       $success = module_enable($modules, TRUE);
       $this->assertTrue($success, t('Enabled modules: %modules', array('%modules' => implode(', ', $modules))));
-      $this->rebuildContainer();
     }
+    $this->rebuildContainer();
 
     // Reset/rebuild all data structures after enabling the modules.
     $this->resetAll();