diff --git a/phpBB/includes/acp/acp_main.php b/phpBB/includes/acp/acp_main.php
index 3d8991fb37..f6d728ffed 100644
--- a/phpBB/includes/acp/acp_main.php
+++ b/phpBB/includes/acp/acp_main.php
@@ -632,7 +632,7 @@ class acp_main
 		{
 			$error = false;
 			$search_type = $config['search_type'];
-			$search = new $search_type($error, $phpbb_root_path, $phpEx, $auth, $config, $db, $phpbb_dispatcher, $user);
+			$search = new $search_type($error, $phpbb_root_path, $phpEx, $auth, $config, $db, $user, $phpbb_dispatcher);
 
 			if (!$search->index_created())
 			{
diff --git a/phpBB/install/install_convert.php b/phpBB/install/install_convert.php
index b132ece0d0..a0f8a928de 100644
--- a/phpBB/install/install_convert.php
+++ b/phpBB/install/install_convert.php
@@ -796,7 +796,7 @@ class install_convert extends module
 		}
 
 		$error = false;
-		$convert->fulltext_search = new $search_type($error, $phpbb_root_path, $phpEx, $auth, $config, $db, $phpbb_dispatcher, $user);
+		$convert->fulltext_search = new $search_type($error, $phpbb_root_path, $phpEx, $auth, $config, $db, $user, $phpbb_dispatcher);
 
 		if ($error)
 		{