diff --git a/MultiversalDiplomacy/Model/UnitType.cs b/MultiversalDiplomacy/Model/UnitType.cs
index 6bc824b..e93915e 100644
--- a/MultiversalDiplomacy/Model/UnitType.cs
+++ b/MultiversalDiplomacy/Model/UnitType.cs
@@ -1,8 +1,11 @@
+using System.Text.Json.Serialization;
+
 namespace MultiversalDiplomacy.Model;
 
 /// <summary>
 /// The type of a unit.
 /// </summary>
+[JsonConverter(typeof(JsonStringEnumConverter<UnitType>))]
 public enum UnitType
 {
     /// <summary>