diff --git a/phpBB/common.php b/phpBB/common.php
index ccebe5de2e..73f30e17a5 100644
--- a/phpBB/common.php
+++ b/phpBB/common.php
@@ -198,7 +198,6 @@ unset($dbpasswd);
 
 // Grab global variables, re-cache if necessary
 $config = $cache->obtain_config();
-$dss_seeded = false;
 
 // Disable board if the install/ directory is still present
 if (file_exists($phpbb_root_path . 'install') && !defined('ADMIN_START'))
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index 814dcc74af..91a818d454 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -157,8 +157,8 @@ function gen_rand_string($num_chars = 8)
 */
 function unique_id($extra = 'c')
 {
+	static $dss_seeded = false;
 	global $config;
-	static $dss_seeded;
 
 	$val = $config['rand_seed'] . microtime();
 	$val = md5($val);