diff --git a/Wonky.Client/Pages/SystemSupervisorViewEditPage.razor b/Wonky.Client/Pages/SystemSupervisorViewEditPage.razor
index eb6ed178..c29e7b67 100644
--- a/Wonky.Client/Pages/SystemSupervisorViewEditPage.razor
+++ b/Wonky.Client/Pages/SystemSupervisorViewEditPage.razor
@@ -51,9 +51,9 @@
                 {
                     foreach (var user in UserData.AssignedUsers)
                     {
-                        <div class="col-sm-3 col-md-2 col-lg-2">
+                        <div class="col-sm-6 col-md-4 col-lg-2">
                             <div class="form-check">
-                                <InputCheckbox id="@(user.UserId)" class="form-check-input" @bind-Value="user.Assigned"/>
+                                <InputCheckbox id="@(user.UserId)" class="form-check-input" disabled="@(user.UserId == UserId)" @bind-Value="user.Assigned"/>
                                 <label class="form-check-label">@user.FullName</label>
                             </div>
                         </div>
diff --git a/Wonky.Client/wwwroot/appsettings.json b/Wonky.Client/wwwroot/appsettings.json
index 727eead6..731d290b 100644
--- a/Wonky.Client/wwwroot/appsettings.json
+++ b/Wonky.Client/wwwroot/appsettings.json
@@ -1,7 +1,7 @@
 {
     "appInfo": {
         "name": "Wonky Online",
-        "version": "0.138.2",
+        "version": "0.138.3",
         "rc": false,
         "sandBox": false,
         "image": "grumpy-coder.png"