diff --git a/Webshop.Api/Program.cs b/Webshop.Api/Program.cs
index f838484..849968b 100644
--- a/Webshop.Api/Program.cs
+++ b/Webshop.Api/Program.cs
@@ -163,6 +163,8 @@ builder.Services.AddControllers()
     .AddJsonOptions(options =>
     {
         options.JsonSerializerOptions.Converters.Add(new JsonStringEnumConverter());
+        options.JsonSerializerOptions.DefaultIgnoreCondition =
+            System.Text.Json.Serialization.JsonIgnoreCondition.WhenWritingNull;
     });
 builder.Services.AddEndpointsApiExplorer();