diff --git a/db.php b/db.php
index 24e1d34..6643331 100644
--- a/db.php
+++ b/db.php
@@ -69,6 +69,7 @@
 define( 'HYPERDB_CONN_HOST_ERROR', 2003 ); // Can't connect to MySQL server on '%s' (%d)
 define( 'HYPERDB_SERVER_GONE_ERROR', 2006 ); // MySQL server has gone away
 
+#[AllowDynamicProperties]
 // phpcs:ignore PEAR.NamingConventions.ValidClassName.StartWithCapital
 class hyperdb extends wpdb {
 	/**