src/Normalizer/EntityReferenceFieldNormalizer.php | 11 ++++++++-
 tests/src/Functional/TermTest.php                 | 30 +++++++++++++++++++++++
 2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/src/Normalizer/EntityReferenceFieldNormalizer.php b/src/Normalizer/EntityReferenceFieldNormalizer.php
index 1389f43..61e9413 100644
--- a/src/Normalizer/EntityReferenceFieldNormalizer.php
+++ b/src/Normalizer/EntityReferenceFieldNormalizer.php
@@ -105,7 +105,16 @@ class EntityReferenceFieldNormalizer extends FieldNormalizer implements Denormal
       // "<root>" term.
       if (!$item->isEmpty() && $item->get('entity')->getValue() === NULL) {
         $entity_list[] = NULL;
-        $entity_list_metadata[] = [];
+        $entity_list_metadata[] = [
+          'links' => [
+            'help' => [
+              'href' => 'https://www.drupal.org/docs/8/modules/json-api/core-concepts#virtual',
+              'meta' => [
+                'about' => "Usage and meaning of the 'virtual' resource identifier.",
+              ],
+            ],
+          ],
+        ];
         continue;
       }
 
diff --git a/tests/src/Functional/TermTest.php b/tests/src/Functional/TermTest.php
index 5c3e12d..879416c 100644
--- a/tests/src/Functional/TermTest.php
+++ b/tests/src/Functional/TermTest.php
@@ -131,6 +131,16 @@ class TermTest extends ResourceTestBase {
             [
               'id' => 'virtual',
               'type' => 'taxonomy_term--camelids',
+              'meta' => [
+                'links' => [
+                  'help' => [
+                    'href' => 'https://www.drupal.org/docs/8/modules/json-api/core-concepts#virtual',
+                    'meta' => [
+                      'about' => "Usage and meaning of the 'virtual' resource identifier.",
+                    ],
+                  ],
+                ],
+              ],
             ],
           ],
           'links' => [
@@ -161,6 +171,16 @@ class TermTest extends ResourceTestBase {
             [
               'id' => 'virtual',
               'type' => 'taxonomy_term--camelids',
+              'meta' => [
+                'links' => [
+                  'help' => [
+                    'href' => 'https://www.drupal.org/docs/8/modules/json-api/core-concepts#virtual',
+                    'meta' => [
+                      'about' => "Usage and meaning of the 'virtual' resource identifier.",
+                    ],
+                  ],
+                ],
+              ],
             ],
             [
               'id' => Term::load(2)->uuid(),
@@ -276,6 +296,16 @@ class TermTest extends ResourceTestBase {
         0 => [
           'id' => 'virtual',
           'type' => 'taxonomy_term--camelids',
+          'meta' => [
+            'links' => [
+              'help' => [
+                'href' => 'https://www.drupal.org/docs/8/modules/json-api/core-concepts#virtual',
+                'meta' => [
+                  'about' => "Usage and meaning of the 'virtual' resource identifier.",
+                ],
+              ],
+            ],
+          ],
         ],
       ];
     }