diff --git a/phpBB/install/install_install.php b/phpBB/install/install_install.php
index 192e0a7007..a8c74537f3 100755
--- a/phpBB/install/install_install.php
+++ b/phpBB/install/install_install.php
@@ -1136,10 +1136,16 @@ class install_install extends module
 	/**
 	* Populate the module tables
 	*/
-	function add_modules()
+	function add_modules($mode, $sub)
 	{
 		global $db, $lang, $phpbb_root_path, $phpEx;
 
+		// Obtain any submitted data
+		foreach ($this->request_vars as $var)
+		{
+			$$var = request_var($var, '');
+		}
+
 		include_once($phpbb_root_path . 'includes/constants.' . $phpEx);
 		include_once($phpbb_root_path . 'includes/acp/acp_modules.' . $phpEx);