diff --git a/EnvelopeGenerator.Web/Models/Auth.cs b/EnvelopeGenerator.Web/Models/Auth.cs
index 4159fd90..b13dfa1a 100644
--- a/EnvelopeGenerator.Web/Models/Auth.cs
+++ b/EnvelopeGenerator.Web/Models/Auth.cs
@@ -1,6 +1,6 @@
 namespace EnvelopeGenerator.Web.Models
 {
-    public record Auth(string? AccessCode = null, string? SmsCode = null)
+    public record Auth(string? AccessCode = null, string? SmsCode = null, bool? UserSelectSMS = null)
     {
         public bool HasAccessCode => AccessCode is not null;
 
diff --git a/EnvelopeGenerator.Web/Views/Home/EnvelopeLocked.cshtml b/EnvelopeGenerator.Web/Views/Home/EnvelopeLocked.cshtml
index 006d9c21..cb780996 100644
--- a/EnvelopeGenerator.Web/Views/Home/EnvelopeLocked.cshtml
+++ b/EnvelopeGenerator.Web/Views/Home/EnvelopeLocked.cshtml
@@ -42,7 +42,7 @@
                     @if (tfaEnabled)
                     {
                     <div class="form-check form-switch tfa-sms">
-                        <input class="form-check-input" type="checkbox" role="switch" id="flexSwitchCheckChecked" @(hasPhoneNumber ? string.Empty : "disabled")>
+                        <input class="form-check-input" name="userSelectSMS" type="checkbox" role="switch" id="flexSwitchCheckChecked" @(hasPhoneNumber ? string.Empty : "disabled")>
                         <label class="form-check-label" for="flexSwitchCheckChecked">2FA per SMS</label>
                     </div>
                     }