diff --git a/phpBB/install/install_update.php b/phpBB/install/install_update.php
index bfceed6b17..cf800aefd4 100644
--- a/phpBB/install/install_update.php
+++ b/phpBB/install/install_update.php
@@ -72,7 +72,24 @@ class install_update extends module
 	function main($mode, $sub)
 	{
 		global $phpbb_style, $template, $phpEx, $phpbb_root_path, $user, $db, $config, $cache, $auth, $language;
-		global $request, $phpbb_admin_path, $phpbb_adm_relative_path;
+		global $request, $phpbb_admin_path, $phpbb_adm_relative_path, $phpbb_container;
+
+		// Create a normal container now
+		$phpbb_container = phpbb_create_dumped_container_unless_debug(
+			array(
+				new phpbb_di_extension_config($phpbb_root_path . 'config.' . $phpEx),
+				new phpbb_di_extension_core($phpbb_root_path),
+			),
+			array(
+				new phpbb_di_pass_collection_pass(),
+				new phpbb_di_pass_kernel_pass(),
+			),
+			$phpbb_root_path,
+			$phpEx
+		);
+
+		// Writes into global $cache
+		$cache = $phpbb_container->get('cache');
 
 		$this->tpl_name = 'install_update';
 		$this->page_title = 'UPDATE_INSTALLATION';