diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index b8d233ca13..f235be1e9b 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -172,6 +172,7 @@
 		<li>[Fix] Be less strict with FTP daemons when getting directory filelists. (Bug #46295)</li>
 		<li>[Fix] Fix set_custom_template for database-stored styles (Bug #40515 - Patch by nickvergessen)</li>
 		<li>[Fix] Banning an already banned user states to be successful, but has no effect (Bug #47825 - Patch by Pyramide)</li>
+		<li>[Fix] Do not add style-parameter to URL again, after admin re-authentification (Bug #18005 - Patch by leviatan21)</li>
 		<li>[Change] Change the data format of the default file ACM to be more secure from tampering and have better performance.</li>
 		<li>[Change] Add index on log_time to the log table to prevent slowdown on boards with many log entries. (Bug #44665 - Patch by bantu)</li>
 		<li>[Change] Template engine now permits to a limited extent variable includes.</li>
diff --git a/phpBB/includes/session.php b/phpBB/includes/session.php
index 9ae5a7c793..c8617057c4 100644
--- a/phpBB/includes/session.php
+++ b/phpBB/includes/session.php
@@ -1534,7 +1534,7 @@ class user extends session
 		$this->add_lang($lang_set);
 		unset($lang_set);
 
-		if (!empty($_GET['style']) && $auth->acl_get('a_styles'))
+		if (!empty($_GET['style']) && $auth->acl_get('a_styles') && !defined('ADMIN_START'))
 		{
 			global $SID, $_EXTRA_URL;