diff --git a/services/identity/FlatRender.IdentitySvc/Controllers/InternalController.cs b/services/identity/FlatRender.IdentitySvc/Controllers/InternalController.cs
index 18753af..768496a 100644
--- a/services/identity/FlatRender.IdentitySvc/Controllers/InternalController.cs
+++ b/services/identity/FlatRender.IdentitySvc/Controllers/InternalController.cs
@@ -11,7 +11,7 @@ namespace FlatRender.IdentitySvc.Controllers;
 [Route("v1/internal")]
 public class InternalController(AdminService svc, IConfiguration config) : ControllerBase
 {
-    public record ChargeReq(Guid UserId);
+    public class ChargeReq { public Guid UserId { get; set; } }
 
     private bool ServiceTokenValid()
     {