diff --git a/Service/ServiceImplementations/UserServiceImp.cs b/Service/ServiceImplementations/UserServiceImp.cs
index 6b238406d..e5ab89558 100644
--- a/Service/ServiceImplementations/UserServiceImp.cs
+++ b/Service/ServiceImplementations/UserServiceImp.cs
@@ -474,7 +474,7 @@ namespace BeWo.Service.ServiceImplementations
                         else
                         {
                             supportPIN = y[0];
-                            if ((supportPIN.ExpirationDate < DateTime.Now) || (supportPIN.UsingDate.HasValue && supportPIN.UsingDate.Value.AddDays(1) < DateTime.Now))
+                            if ((supportPIN.ExpirationDate < DateTime.Now) || (supportPIN.UsingDate.HasValue && supportPIN.UsingDate.Value.AddDays(2) < DateTime.Now))
                             {
                                 //if (supportPIN.IsUsed.HasValue && supportPIN.IsUsed.Value)
                                 //    result = UserValidationResult.PinAlreadyUsed;