diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index c119677992..fa77cc83f7 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -110,6 +110,7 @@
 		<li>[Fix] Check for required functions in eAccelerator. (Bug #54465)</li>
 		<li>[Fix] Use correct RFC 3339 date format in ATOM feed. (Bug #55005)</li>
 		<li>[Fix] Do not deliver topics from unreadable or passworded forums in the news feed. (Bug #54345)</li>
+		<li>[Fix] Restore user language choice to compiled stylesheets. (Bug #54035)</li>
 		<li>[Change] Log activation through inactive users ACP. (Bug #30145)</li>
 		<li>[Change] Send time of last item instead of current time in ATOM Feeds. (Bug #53305)</li>
 		<li>[Change] Use em dash instead of hyphen/minus as separator in ATOM Feeds item statistics. (Bug #53565)</li>
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index 812b672c5c..690fed83e8 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -4154,7 +4154,7 @@ function page_header($page_title = '', $display_online_list = true, $item_id = 0
 		'T_ICONS_PATH'			=> "{$web_path}{$config['icons_path']}/",
 		'T_RANKS_PATH'			=> "{$web_path}{$config['ranks_path']}/",
 		'T_UPLOAD_PATH'			=> "{$web_path}{$config['upload_path']}/",
-		'T_STYLESHEET_LINK'		=> (!$user->theme['theme_storedb']) ? "{$web_path}styles/" . $user->theme['theme_path'] . '/theme/stylesheet.css' : append_sid("{$phpbb_root_path}style.$phpEx", 'id=' . $user->theme['style_id'] . '&amp;lang=' . $user->data['user_lang']),
+		'T_STYLESHEET_LINK'		=> (!$user->theme['theme_storedb']) ? "{$web_path}styles/" . $user->theme['theme_path'] . '/theme/stylesheet.css' : append_sid("{$phpbb_root_path}style.$phpEx", 'id=' . $user->theme['style_id'] . '&amp;lang=' . $user->data['user_lang'], true, $user->session_id),
 		'T_STYLESHEET_NAME'		=> $user->theme['theme_name'],
 
 		'T_THEME_NAME'			=> $user->theme['theme_path'],