diff --git a/phpBB/includes/acp/acp_board.php b/phpBB/includes/acp/acp_board.php
index 336c22d354..9d8a1f3bcd 100644
--- a/phpBB/includes/acp/acp_board.php
+++ b/phpBB/includes/acp/acp_board.php
@@ -940,7 +940,7 @@ class acp_board
 		* @var	string	act_options	Options avialbe in the activation method
 		* @since 3.3.15-RC1
 		*/
-		$vars = array('act_ary', 'act_options');
+		$vars = ['act_ary', 'act_options'];
 		extract($phpbb_dispatcher->trigger_event('core.acp_account_activation_edit_add', compact($vars)));
 
 		foreach ($act_ary as $key => $data)