diff --git a/core/modules/link/config/schema/link.schema.yml b/core/modules/link/config/schema/link.schema.yml
index 676016a20c3..d489174402c 100644
--- a/core/modules/link/config/schema/link.schema.yml
+++ b/core/modules/link/config/schema/link.schema.yml
@@ -60,7 +60,7 @@ field.field_settings.link:
       type: integer
       label: 'Allowed link type'
 
-field.link.value:
+field.value.link:
   type: mapping
   label: 'Default value'
   mapping:
diff --git a/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/FieldInstanceDefaults.php b/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/FieldInstanceDefaults.php
index 320dae207f3..6cf36a4f1b2 100644
--- a/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/FieldInstanceDefaults.php
+++ b/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/FieldInstanceDefaults.php
@@ -42,7 +42,8 @@ class FieldInstanceDefaults extends ProcessPluginBase {
 
       case 'date_select':
         if (!empty($widget_settings['default_value'])) {
-          $default['value'] = $widget_settings['default_value'];
+          $default['default_date_type'] = 'relative';
+          $default['default_date'] = $widget_settings['default_value'];
         }
         break;
 
diff --git a/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldInstanceTest.php b/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldInstanceTest.php
index e98d4e44dcd..df97d24d474 100644
--- a/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldInstanceTest.php
+++ b/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldInstanceTest.php
@@ -19,6 +19,15 @@ use Drupal\link\LinkItemInterface;
  */
 class MigrateFieldInstanceTest extends MigrateDrupalTestBase {
 
+  /**
+   * Set to TRUE to strict check all configuration saved.
+   *
+   * @see \Drupal\Core\Config\Testing\ConfigSchemaChecker
+   *
+   * @var bool
+   */
+  protected $strictConfigSchema = TRUE;
+
   /**
    * Modules to enable.
    *
@@ -144,7 +153,6 @@ class MigrateFieldInstanceTest extends MigrateDrupalTestBase {
     $this->assertEqual($field->getSettings(), $expected);
     $this->assertEqual('default link title', $entity->field_test_link->title, 'Field field_test_link default title is correct.');
     $this->assertEqual('http://drupal.org', $entity->field_test_link->url, 'Field field_test_link default title is correct.');
-
   }
 
   /**