diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index 86a2d14315..086755f49d 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -5165,6 +5165,9 @@ function page_footer($run_cron = true)
 function garbage_collection()
 {
 	global $cache, $db;
+	global $phpbb_dispatcher;
+
+	$phpbb_dispatcher->dispatch('core.garbage_collection');
 
 	// Unload cache, must be done before the DB connection if closed
 	if (!empty($cache))