diff --git a/tests/extension/manager_test.php b/tests/extension/manager_test.php
index 45bed247ae..df7f9f3029 100644
--- a/tests/extension/manager_test.php
+++ b/tests/extension/manager_test.php
@@ -27,6 +27,7 @@ class phpbb_extension_manager_test extends phpbb_database_test_case
 
 		$this->extension_manager = new phpbb_extension_manager(
 			$this->new_dbal(),
+			new phpbb_config(array())
 			'phpbb_ext',
 			dirname(__FILE__) . '/',
 			'.php',
@@ -90,6 +91,7 @@ class phpbb_extension_manager_test extends phpbb_database_test_case
 	{
 		$extension_manager = new phpbb_extension_manager(
 			$this->new_dbal(),
+			new phpbb_config(array()),
 			'phpbb_ext',
 			dirname(__FILE__) . '/',
 			'.php'
diff --git a/tests/test_framework/phpbb_functional_test_case.php b/tests/test_framework/phpbb_functional_test_case.php
index b953017d0a..a1deeb2b63 100644
--- a/tests/test_framework/phpbb_functional_test_case.php
+++ b/tests/test_framework/phpbb_functional_test_case.php
@@ -125,6 +125,7 @@ class phpbb_functional_test_case extends phpbb_test_case
 		{
 			$this->extension_manager = new phpbb_extension_manager(
 				$this->get_db(),
+				new phpbb_config(),
 				self::$config['table_prefix'] . 'ext',
 				$phpbb_root_path,
 				".$phpEx",