diff --git a/core/modules/field_ui/src/Form/FieldStorageAddForm.php b/core/modules/field_ui/src/Form/FieldStorageAddForm.php
index cc0bb0c465..d49ac64304 100644
--- a/core/modules/field_ui/src/Form/FieldStorageAddForm.php
+++ b/core/modules/field_ui/src/Form/FieldStorageAddForm.php
@@ -357,7 +357,7 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
         'label' => $values['label'],
         // Field translatability should be explicitly enabled by the users.
         'translatable' => FALSE,
-        ...$default_options['field_config'],
+        ...$default_options['field_config'] ?? [],
       ];
 
       $field_storage_values = [
@@ -365,7 +365,7 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
         'type' => $field_type,
         'entity_type' => $this->entityTypeId,
         'translatable' => $values['translatable'],
-        ...$default_options['field_storage_config'],
+        ...$default_options['field_storage_config'] ?? [],
       ];
     }