diff --git a/phpBB/phpbb/controller/helper.php b/phpBB/phpbb/controller/helper.php
index ab3e3b3556..9f1a3864ef 100644
--- a/phpBB/phpbb/controller/helper.php
+++ b/phpBB/phpbb/controller/helper.php
@@ -68,7 +68,7 @@ class helper
 		$this->phpbb_root_path = $phpbb_root_path;
 		$this->php_ext = $php_ext;
 		$provider->set_ext_finder($manager->get_finder());
-		$this->route_collection = $provider->find('./')->get_routes();
+		$this->route_collection = $provider->find($phpbb_root_path)->get_routes();
 	}
 
 	/**
diff --git a/tests/controller/helper_route_test.php b/tests/controller/helper_route_test.php
index e40fa280da..c633df7c38 100644
--- a/tests/controller/helper_route_test.php
+++ b/tests/controller/helper_route_test.php
@@ -84,7 +84,7 @@ class phpbb_controller_helper_route_test extends phpbb_test_case
 	*/
 	public function test_helper_url_no_rewrite($route, $params, $is_amp, $session_id, $expected, $description)
 	{
-		$this->helper = new \phpbb\controller\helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager,'', 'php');
+		$this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, '', 'php', dirname(__FILE__) . '/');
 		$this->assertEquals($expected, $this->helper->route($route, $params, $is_amp, $session_id));
 	}
 
@@ -124,7 +124,7 @@ class phpbb_controller_helper_route_test extends phpbb_test_case
 	public function test_helper_url_with_rewrite($route, $params, $is_amp, $session_id, $expected, $description)
 	{
 		$this->config = new \phpbb\config\config(array('enable_mod_rewrite' => '1'));
-		$this->helper = new \phpbb\controller\helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager,'', 'php');
+		$this->helper = new phpbb_mock_controller_helper($this->template, $this->user, $this->config, $this->provider, $this->extension_manager, '', 'php', dirname(__FILE__) . '/');
 		$this->assertEquals($expected, $this->helper->route($route, $params, $is_amp, $session_id));
 	}
 }
diff --git a/tests/mock/controller_helper.php b/tests/mock/controller_helper.php
new file mode 100644
index 0000000000..c53d7265c4
--- /dev/null
+++ b/tests/mock/controller_helper.php
@@ -0,0 +1,22 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2011 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+class phpbb_mock_controller_helper extends \phpbb\controller\helper
+{
+	public function __construct(\phpbb\template\template $template, \phpbb\user $user, \phpbb\config\config $config, \phpbb\controller\provider $provider, \phpbb\extension\manager $manager, $phpbb_root_path, $php_ext, $phpbb_root_path_ext)
+	{
+		$this->template = $template;
+		$this->user = $user;
+		$this->config = $config;
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->php_ext = $php_ext;
+		$provider->set_ext_finder($manager->get_finder());
+		$this->route_collection = $provider->find($phpbb_root_path_ext)->get_routes();
+	}
+}