diff --git a/MultiversalDiplomacy/Model/World.cs b/MultiversalDiplomacy/Model/World.cs
index 530086b..570e988 100644
--- a/MultiversalDiplomacy/Model/World.cs
+++ b/MultiversalDiplomacy/Model/World.cs
@@ -1,3 +1,4 @@
+using System.Text.Json;
 using System.Text.Json.Serialization;
 
 namespace MultiversalDiplomacy.Model;
@@ -7,6 +8,11 @@ namespace MultiversalDiplomacy.Model;
 /// </summary>
 public class World
 {
+    public static readonly JsonSerializerOptions JsonOptions = new()
+    {
+        PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
+    };
+
     /// <summary>
     /// The map variant of the game.
     /// </summary>
diff --git a/MultiversalDiplomacyTests/SerializationTest.cs b/MultiversalDiplomacyTests/SerializationTest.cs
index 73c5fdf..9bc1095 100644
--- a/MultiversalDiplomacyTests/SerializationTest.cs
+++ b/MultiversalDiplomacyTests/SerializationTest.cs
@@ -9,9 +9,8 @@ namespace MultiversalDiplomacyTests;
 
 public class SerializationTest
 {
-    private JsonSerializerOptions Options = new() {
+    private JsonSerializerOptions Options = new(World.JsonOptions) {
         WriteIndented = true,
-        PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
     };
 
     [Test]