diff --git a/inc/config.php b/inc/config.php
index 8269e6f1..633cdd33 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -152,7 +152,7 @@
     // Redis server to use. Location, port, password, database id.
     // Note that Tinyboard may clear the database at times, so you may want to pick a database id just for
     // Tinyboard to use.
-    $config['cache']['redis'] = array('localhost', 6379, '', 1);
+    $config['cache']['redis'] = [ 'localhost', 6379, null, 1 ];
 
     // EXPERIMENTAL: Should we cache configs? Warning: this changes board behaviour, i'd say, a lot.
     // If you have any lambdas/includes present in your config, you should move them to instance-functions.php