diff --git a/core/modules/tracker/tracker.module b/core/modules/tracker/tracker.module
index 8dbc5ac2f2..1969d792bd 100644
--- a/core/modules/tracker/tracker.module
+++ b/core/modules/tracker/tracker.module
@@ -265,7 +265,7 @@ function _tracker_add($nid, $uid, $changed) {
  */
 function _tracker_calculate_changed($node) {
   $changed = $node->getChangedTime();
-  $latest_comment = \Drupal::service('comment.statistics')->read([$node], 'node', FALSE);
+  $latest_comment = reset(\Drupal::service('comment.statistics')->read([$node->id() => $node], 'node', FALSE));
   if ($latest_comment && $latest_comment->last_comment_timestamp > $changed) {
     $changed = $latest_comment->last_comment_timestamp;
   }
