diff --git a/core/modules/taxonomy/taxonomy.install b/core/modules/taxonomy/taxonomy.install
index 767743543d..702ca7ce83 100644
--- a/core/modules/taxonomy/taxonomy.install
+++ b/core/modules/taxonomy/taxonomy.install
@@ -14,6 +14,8 @@ function taxonomy_update_8501() {
   $definition = $manager->getFieldStorageDefinition('parent', 'taxonomy_term');
   $definition->setCustomStorage(FALSE);
   $manager->updateFieldStorageDefinition($definition);
+  // Update the entity type because a new interface was added to Term entity.
+  $manager->updateEntityType($manager->getEntityType('taxonomy_term'));
 }
 
 /**