diff --git a/core/modules/image/image.module b/core/modules/image/image.module
index 4f7f61e..ae6052d 100644
--- a/core/modules/image/image.module
+++ b/core/modules/image/image.module
@@ -1045,7 +1045,7 @@ function image_entity_presave(Drupal\Core\Entity\EntityInterface $entity, $type)
   if ($type == 'field_entity') {
     $field = $entity;
   }
-  if ($field && $field->type == 'image') {
+  if ($field && $field->type == 'image' && is_array($entity->settings['default_image'])) {
     if (!empty($entity->settings['default_image'][0])) {
       $entity->settings['default_image'] = $entity->settings['default_image'][0];
     }