diff --git a/admin/cli/purge_caches.php b/admin/cli/purge_caches.php
index e79af0d051c..590d79e7696 100644
--- a/admin/cli/purge_caches.php
+++ b/admin/cli/purge_caches.php
@@ -24,6 +24,7 @@
  */
 
 define('CLI_SCRIPT', true);
+define('IGNORE_COMPONENT_CACHE', true);
 
 require(__DIR__.'/../../config.php');
 require_once($CFG->libdir.'/clilib.php');
diff --git a/public/admin/purgecaches.php b/public/admin/purgecaches.php
index 30aa34fe5ea..7b6548e078a 100644
--- a/public/admin/purgecaches.php
+++ b/public/admin/purgecaches.php
@@ -23,6 +23,8 @@
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
+define('IGNORE_COMPONENT_CACHE', true);
+
 require_once('../config.php');
 require_once($CFG->libdir.'/adminlib.php');