diff --git a/phpBB/includes/acp/acp_update.php b/phpBB/includes/acp/acp_update.php
index 1ab4726e8b..dbb25bdbbd 100644
--- a/phpBB/includes/acp/acp_update.php
+++ b/phpBB/includes/acp/acp_update.php
@@ -37,7 +37,7 @@ class acp_update
 		$errstr = '';
 		$errno = 0;
 
-		$info = get_remote_file('www.phpbb.com', '/updatecheck', '30x.txt', $errstr, $errno);
+		$info = get_remote_file('www.phpbb.com', '/updatecheck', ((defined('PHPBB_QA')) ? '30x_qa.txt' : '30x.txt'), $errstr, $errno);
 
 		if ($info === false)
 		{
diff --git a/phpBB/includes/constants.php b/phpBB/includes/constants.php
index e32597d722..8257f8a48e 100644
--- a/phpBB/includes/constants.php
+++ b/phpBB/includes/constants.php
@@ -24,6 +24,9 @@ if (!defined('IN_PHPBB'))
 * PHPBB_ADMIN_PATH
 */
 
+// QA-related
+// define('PHPBB_QA', 1);
+
 // User related
 define('ANONYMOUS', 1);
 
diff --git a/phpBB/install/install_update.php b/phpBB/install/install_update.php
index 4277246b07..22d3af9d2a 100644
--- a/phpBB/install/install_update.php
+++ b/phpBB/install/install_update.php
@@ -1513,7 +1513,7 @@ class install_update extends module
 		{
 			case 'version_info':
 				global $phpbb_root_path, $phpEx;
-				$info = get_remote_file('www.phpbb.com', '/updatecheck', '30x.txt', $errstr, $errno);
+				$info = get_remote_file('www.phpbb.com', '/updatecheck', ((defined('PHPBB_QA')) ? '30x_qa.txt' : '30x.txt'), $errstr, $errno);
 
 				if ($info !== false)
 				{