diff --git a/src/Form/IndexAddFieldsForm.php b/src/Form/IndexAddFieldsForm.php
index 241ad1a..7bb6f05 100644
--- a/src/Form/IndexAddFieldsForm.php
+++ b/src/Form/IndexAddFieldsForm.php
@@ -371,7 +371,7 @@ class IndexAddFieldsForm extends EntityForm {
         $can_be_indexed = FALSE;
         if ($property instanceof EntityDataDefinitionInterface) {
           $bundles = \Drupal::entityManager()->getBundleInfo($property->getEntityTypeId());
-          foreach ($bundles as $bundle => $label) {
+          foreach ($bundles as $bundle => $bundle_label) {
             $bundle_properties = \Drupal::entityManager()->getFieldDefinitions($property->getEntityTypeId(), $bundle);
             $nested_properties += $bundle_properties;
           }