diff --git a/config/config.sample.php b/config/config.sample.php
index 929c95b97a..d606e33d6a 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -1496,7 +1496,7 @@ $CONFIG = array(
  *
  * Defaults to ``1800`` (seconds)
  */
-'(int)$this->config->getSystemValue('external_storage.auth_availability_delay', 1800),
+$this->config->getSystemValueInt('external_storage.auth_availability_delay', 1800),
 
 /**
  * Specifies how often the local filesystem (the Nextcloud data/ directory, and