diff --git a/phpBB/includes/mcp/mcp_warn.php b/phpBB/includes/mcp/mcp_warn.php
index fb47522644..106b025757 100644
--- a/phpBB/includes/mcp/mcp_warn.php
+++ b/phpBB/includes/mcp/mcp_warn.php
@@ -535,7 +535,7 @@ function add_warning($user_row, $warning, $send_pm = true, $post_id = 0)
 
 		$message_parser = new parse_message();
 
-		$message_parser->message = sprintf($lang['WARNING_PM_BODY'], $warning);
+		$message_parser->message = $user->lang('WARNING_PM_BODY', $warning);
 		$message_parser->parse(true, true, true, false, false, true, true);
 
 		$pm_data = array(
@@ -553,7 +553,7 @@ function add_warning($user_row, $warning, $send_pm = true, $post_id = 0)
 			'address_list'			=> array('u' => array($user_row['user_id'] => 'to')),
 		);
 
-		submit_pm('post', $lang['WARNING_PM_SUBJECT'], $pm_data, false);
+		submit_pm('post', $user->lang('WARNING_PM_SUBJECT'), $pm_data, false);
 	}
 
 	add_log('admin', 'LOG_USER_WARNING', $user_row['username']);