1 files changed, 5 insertions, 0 deletions
diff --git a/phpBB/style.php b/phpBB/style.php
index c0f8ed7352..6d5705a074 100644
--- a/phpBB/style.php
+++ b/phpBB/style.php
@@ -21,6 +21,11 @@ date_default_timezone_set('UTC');
 
 require($phpbb_root_path . 'config.' . $phpEx);
 
+if (!defined('PHPBB_INSTALLED') || empty($dbms) || !isset($dbhost) || !isset($dbpasswd) || empty($dbuser))
+{
+	exit;
+}
+
 if (version_compare(PHP_VERSION, '6.0.0-dev', '<'))
 {
 	set_magic_quotes_runtime(0);