diff --git a/core/modules/system/system.post_update.php b/core/modules/system/system.post_update.php
index 7ddcda6476..5f8c0506ba 100644
--- a/core/modules/system/system.post_update.php
+++ b/core/modules/system/system.post_update.php
@@ -222,6 +222,7 @@ function system_post_update_sort_all_config(&$sandbox) {
   $start = $sandbox['progress'];
   $end = min($sandbox['max'], $start + $iteration_size);
   for ($i = $start; $i < $end; $i++) {
+    \Drupal::logger('debugging')->notice($sandbox['all_config_names'][$i]);
     $factory->getEditable($sandbox['all_config_names'][$i])->save();
   }