diff --git a/DigitalLearningSolutions.Web/Controllers/SupervisorController/Supervisor.cs b/DigitalLearningSolutions.Web/Controllers/SupervisorController/Supervisor.cs
index e47d0e69ff..9b12c9cc16 100644
--- a/DigitalLearningSolutions.Web/Controllers/SupervisorController/Supervisor.cs
+++ b/DigitalLearningSolutions.Web/Controllers/SupervisorController/Supervisor.cs
@@ -99,13 +99,14 @@ public IActionResult AddSuperviseDelegate(MyStaffListViewModel model)
             var supervisorEmail = GetUserEmail();
 
             ModelState.Remove("Page");
-            if (ModelState.IsValid)
+            if (ModelState.IsValid && supervisorEmail != model.DelegateEmail)
             {
                 AddSupervisorDelegateAndReturnId(adminId, model.DelegateEmail ?? String.Empty, supervisorEmail, centreId);
                 return RedirectToAction("MyStaffList", model.Page);
             }
             else
             {
+                if (supervisorEmail == model.DelegateEmail) { ModelState.AddModelError("DelegateEmail", "The email address must not match the email address you are logged in with."); }
                 ModelState.ClearErrorsForAllFieldsExcept("DelegateEmail");
                 return MyStaffList(model.SearchString, model.SortBy, model.SortDirection, model.Page);
             }
@@ -131,7 +132,7 @@ public IActionResult AddMultipleSuperviseDelegates(AddMultipleSupervisorDelegate
                 var delegateEmailsList = NewlineSeparatedStringListHelper.SplitNewlineSeparatedList(model.DelegateEmails);
                 foreach (var delegateEmail in delegateEmailsList)
                 {
-                    if (delegateEmail.Length > 0)
+                    if (delegateEmail.Length > 0 && supervisorEmail != delegateEmail)
                     {
                         if (RegexStringValidationHelper.IsValidEmail(delegateEmail))
                         {
diff --git a/DigitalLearningSolutions.Web/Views/Shared/Components/TextInput/Default.cshtml b/DigitalLearningSolutions.Web/Views/Shared/Components/TextInput/Default.cshtml
index 7c051ad49f..b8cbf14122 100644
--- a/DigitalLearningSolutions.Web/Views/Shared/Components/TextInput/Default.cshtml
+++ b/DigitalLearningSolutions.Web/Views/Shared/Components/TextInput/Default.cshtml
@@ -1,7 +1,7 @@
 @using DigitalLearningSolutions.Web.ViewModels.Common.ViewComponents
 @using DigitalLearningSolutions.Web.Helpers
 @model TextInputViewModel
-<div class="nhsuk-form-group @(Model.HasError ? "nhsuk-form-group--error" : "")" style="white-space:nowrap">
+<div class="nhsuk-form-group @(Model.HasError ? "nhsuk-form-group--error" : "")">
   <label class="nhsuk-label" for="@Model.Name">
     @Model.Label
   </label>