diff --git a/ServiceHost/Areas/Client/Controllers/LoanController.cs b/ServiceHost/Areas/Client/Controllers/LoanController.cs
index f5b00d8f..b13e6bfc 100644
--- a/ServiceHost/Areas/Client/Controllers/LoanController.cs
+++ b/ServiceHost/Areas/Client/Controllers/LoanController.cs
@@ -9,7 +9,7 @@ namespace ServiceHost.Areas.Client.Controllers;
 public class LoanController: ClientBaseController
 {
     private readonly ILoanApplication _loanApplication;
-    private long _workshopId;
+    private readonly long _workshopId;
 
     public LoanController(ILoanApplication loanApplication, IAuthHelper authHelper)
     {