diff --git a/core/modules/link/src/Tests/LinkFieldTest.php b/core/modules/link/src/Tests/LinkFieldTest.php
index f137515..4a82f7f 100644
--- a/core/modules/link/src/Tests/LinkFieldTest.php
+++ b/core/modules/link/src/Tests/LinkFieldTest.php
@@ -100,6 +100,7 @@ function testURLValidation() {
     $valid_internal_entries = array(
       'entity_test/add',
       'a/path/alias',
+      'entity:user/1',
     );
 
     // Define some invalid URLs.