diff --git a/src/Database/DBStructure.php b/src/Database/DBStructure.php
index 7cfb48df13..bc12ca7907 100644
--- a/src/Database/DBStructure.php
+++ b/src/Database/DBStructure.php
@@ -207,7 +207,7 @@ class DBStructure
 	public static function update($verbose, $action, $install = false, array $tables = null, array $definition = null) {
 		if ($action && !$install) {
 			Config::set('system', 'maintenance', 1);
-			Config::set('system', 'maintenance_reason', L10n::t('%1: Database update', DBM::date().' '.date('e')));
+			Config::set('system', 'maintenance_reason', L10n::t('%s: Database update', DBM::date().' '.date('e')));
 		}
 
 		$errors = '';
diff --git a/update.php b/update.php
index b92526856b..020827397a 100644
--- a/update.php
+++ b/update.php
@@ -189,7 +189,7 @@ WHERE `hook` LIKE 'plugin_%'");
 
 function update_1260() {
 	Config::set('system', 'maintenance', 1);
-	Config::set('system', 'maintenance_reason', L10n::t('%1: Updating author-id and owner-id in item and thread table. ', DBM::date().' '.date('e')));
+	Config::set('system', 'maintenance_reason', L10n::t('%s: Updating author-id and owner-id in item and thread table. ', DBM::date().' '.date('e')));
 
 	$items = dba::p("SELECT `id`, `owner-link`, `owner-name`, `owner-avatar`, `network` FROM `item`
 		WHERE `owner-id` = 0 AND `owner-link` != ''");