diff --git a/core/modules/migrate_drupal/tests/fixtures/drupal6.php b/core/modules/migrate_drupal/tests/fixtures/drupal6.php
index 1ca67a5..1b8bf8e 100644
--- a/core/modules/migrate_drupal/tests/fixtures/drupal6.php
+++ b/core/modules/migrate_drupal/tests/fixtures/drupal6.php
@@ -3420,9 +3420,9 @@
   'field_test_three_value' => '101.00',
   'field_test_identical1_value' => NULL,
   'field_test_identical2_value' => NULL,
-  'field_test_link_url' => 'http://www.example.com/buy-one-upon-a-time',
+  'field_test_link_url' => 'node/10',
   'field_test_link_title' => 'Buy it now',
-  'field_test_link_attributes' => 'a:1:{s:6:"target";s:6:"_blank";}',
+  'field_test_link_attributes' => 's:32:"a:1:{s:6:"target";s:6:"_blank";}";',
   'field_test_date_value' => NULL,
   'field_test_datestamp_value' => NULL,
   'field_test_datetime_value' => NULL,
@@ -3440,7 +3440,7 @@
   'field_test_imagefield_fid' => NULL,
   'field_test_imagefield_list' => NULL,
   'field_test_imagefield_data' => NULL,
-  'field_test_text_single_checkbox2_value' => NULL,
+  'field_test_text_single_checkbox2_value' => 'Off',
 ))
 ->execute();
 
diff --git a/core/modules/node/tests/src/Kernel/Migrate/d6/MigrateNodeTest.php b/core/modules/node/tests/src/Kernel/Migrate/d6/MigrateNodeTest.php
index 29bc9dc..191cee8 100644
--- a/core/modules/node/tests/src/Kernel/Migrate/d6/MigrateNodeTest.php
+++ b/core/modules/node/tests/src/Kernel/Migrate/d6/MigrateNodeTest.php
@@ -79,6 +79,13 @@ public function testNode() {
     $this->assertIdentical('Drupal Groups', $node->field_test_link->title);
     $this->assertIdentical([], $node->field_test_link->options['attributes']);
 
+    // Test that a link field with an internal link is migrated.
+    $node = Node::load(9);
+    $this->assertIdentical('internal:/node/10', $node->field_test_link->uri);
+    $this->assertIdentical('But it now', $node->field_test_link->title);
+    $attributes =  's:32:"a:1:{s:6:"target";s:6:"_blank";}';
+    $this->assertIdentical($attributes, $node->field_test_link->options['attributes']);
+
     // Rerun migration with invalid link attributes and a different URL and
     // title. If only the attributes are changed the error does not occur.
     Database::getConnection('default', 'migrate')