diff --git a/phpBB/phpbb/notification/type/report_pm_closed.php b/phpBB/phpbb/notification/type/report_pm_closed.php
index 2c3a7cb3b0..4738d6792f 100644
--- a/phpBB/phpbb/notification/type/report_pm_closed.php
+++ b/phpBB/phpbb/notification/type/report_pm_closed.php
@@ -100,12 +100,12 @@ class report_pm_closed extends \phpbb\notification\type\pm
 	*/
 	public function get_email_template_variables()
 	{
-		$sender_data = $this->user_loader->get_username($this->get_data('from_user_id'), 'username');
-		$closer_data = $this->user_loader->get_username($this->get_data('closer_id'), 'username');
+		$sender_username = $this->user_loader->get_username($this->get_data('from_user_id'), 'username');
+		$closer_username = $this->user_loader->get_username($this->get_data('closer_id'), 'username');
 
 		return [
-			'AUTHOR_NAME'	=> htmlspecialchars_decode($sender_data['username'], ENT_COMPAT),
-			'CLOSER_NAME'	=> htmlspecialchars_decode($closer_data['username'], ENT_COMPAT),
+			'AUTHOR_NAME'	=> htmlspecialchars_decode($sender_username, ENT_COMPAT),
+			'CLOSER_NAME'	=> htmlspecialchars_decode($closer_username, ENT_COMPAT),
 			'SUBJECT'		=> htmlspecialchars_decode(censor_text($this->get_data('message_subject')), ENT_COMPAT),
 
 			'U_VIEW_MESSAGE'=> generate_board_url() . "/ucp.{$this->php_ext}?i=pm&mode=view&p={$this->item_id}",