diff -u b/src/PathautoGenerator.php b/src/PathautoGenerator.php
--- b/src/PathautoGenerator.php
+++ b/src/PathautoGenerator.php
@@ -411,7 +411,9 @@
               // Check child entity's pathauto pattern for menu link parent
               // tokens.
               $child_entity_pattern = $this->getPatternByEntity($child_entity);
-              if ($child_entity_pattern
+              if (
+                ($child_entity->id() !== $entity->id && $child_entity->getEntityTypeId() !== $entity->getEntityTypeId())
+                && $child_entity_pattern
                 && strpos($child_entity_pattern->getPattern(), ':menu-link:parent') !== 0
               ) {
                 // Update the child entity's alias.