diff --git a/Gedcomx.Model.Test/GedcomxTest.cs b/Gedcomx.Model.Test/GedcomxTest.cs
index 17ebd33..56c3679 100644
--- a/Gedcomx.Model.Test/GedcomxTest.cs
+++ b/Gedcomx.Model.Test/GedcomxTest.cs
@@ -792,8 +792,8 @@ public void GedcomxWithRelationships()
         {
             Gx.Gedcomx sut = new()
             {
-                Persons = new List<Person> { new Person() },
-                Relationships = new List<Relationship> { new Relationship() }
+                Persons = { new Person() },
+                Relationships = { new Relationship() }
             };
 
             VerifyXmlSerialization(sut);