diff -u b/src/Plugin/views/argument/IndexNameDepth.php b/src/Plugin/views/argument/IndexNameDepth.php
--- b/src/Plugin/views/argument/IndexNameDepth.php
+++ b/src/Plugin/views/argument/IndexNameDepth.php
@@ -163,8 +163,9 @@
 
         // Iterate results.
         foreach ($results as $row) {
-          $PathautoAliasCleaner = \Drupal::service('pathauto.alias_cleaner');
-          if ($PathautoAliasCleaner->cleanString($row->name) == $PathautoAliasCleaner->cleanString($tids)) {
+          // Service container for alias cleaner.
+          $alias = \Drupal::service('pathauto.alias_cleaner');
+          if ($alias->cleanString($row->name) == $alias->cleanString($tids)) {
             $tids = $row->tid;
           }
         }