diff --git a/src/Orchard.Tests/Orchard.Tests.csproj b/src/Orchard.Tests/Orchard.Tests.csproj
index fc3a13ca9..e2ed9d66c 100644
--- a/src/Orchard.Tests/Orchard.Tests.csproj
+++ b/src/Orchard.Tests/Orchard.Tests.csproj
@@ -156,7 +156,8 @@
     <Compile Include="Mvc\RouteCollectionPublisherTests.cs" />
     <Compile Include="Mvc\Routes\StandardExtensionRouteProviderTests.cs" />
     <Compile Include="Tasks\SweepGeneratorTests.cs" />
-    <Compile Include="UI\Admin\AdminAttributeTests.cs" />
+    <Compile Include="UI\Admin\AdminAuthorizationFilterTests.cs" />
+    <Compile Include="UI\Admin\AdminThemeSelectorTests.cs" />
     <Compile Include="UI\Notify\NotifierTests.cs" />
     <Compile Include="UI\Notify\NotifyFilterTests.cs" />
     <Compile Include="Services\ClockTests.cs" />
diff --git a/src/Orchard.Tests/Stubs/StubHttpContext.cs b/src/Orchard.Tests/Stubs/StubHttpContext.cs
index 06ea5e955..b2becb8f4 100644
--- a/src/Orchard.Tests/Stubs/StubHttpContext.cs
+++ b/src/Orchard.Tests/Stubs/StubHttpContext.cs
@@ -1,8 +1,11 @@
+using System.Collections;
+using System.Collections.Generic;
 using System.Web;
 
 namespace Orchard.Tests.Stubs {
     public class StubHttpContext : HttpContextBase {
         private readonly string _appRelativeCurrentExecutionFilePath;
+        private readonly IDictionary _items = new Dictionary<object, object>();
 
         public StubHttpContext() {
             _appRelativeCurrentExecutionFilePath = "~/yadda";
@@ -16,6 +19,10 @@ namespace Orchard.Tests.Stubs {
             get { return new StupHttpRequest(_appRelativeCurrentExecutionFilePath); }
         }
 
+        public override IDictionary Items {
+            get { return _items; }
+        }
+
         public class StupHttpRequest : HttpRequestBase {
             private readonly string _appRelativeCurrentExecutionFilePath;
 
diff --git a/src/Orchard.Tests/UI/Admin/AdminAttributeTests.cs b/src/Orchard.Tests/UI/Admin/AdminAuthorizationFilterTests.cs
similarity index 55%
rename from src/Orchard.Tests/UI/Admin/AdminAttributeTests.cs
rename to src/Orchard.Tests/UI/Admin/AdminAuthorizationFilterTests.cs
index 18c33325d..8044db5f6 100644
--- a/src/Orchard.Tests/UI/Admin/AdminAttributeTests.cs
+++ b/src/Orchard.Tests/UI/Admin/AdminAuthorizationFilterTests.cs
@@ -1,22 +1,19 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Web.Mvc;
+using System.Web.Mvc;
+using System.Web.Routing;
 using Moq;
 using NUnit.Framework;
 using Orchard.Localization;
 using Orchard.Security;
-using Orchard.Security.Permissions;
+using Orchard.Tests.Stubs;
 using Orchard.UI.Admin;
 
 namespace Orchard.Tests.UI.Admin {
     [TestFixture]
-    public class AdminAttributeTests {
+    public class AdminAuthorizationFilterTests {
 
-        private static AuthorizationContext GetAuthorizationContext<TController>() {
+        private static AuthorizationContext GetAuthorizationContext<TController>() where TController : ControllerBase, new() {
             var controllerDescriptor = new ReflectedControllerDescriptor(typeof(TController));
-            var controllerContext = new ControllerContext();
+            var controllerContext = new ControllerContext(new StubHttpContext(), new RouteData(), new TController());
             return new AuthorizationContext(
                 controllerContext,
                 controllerDescriptor.FindAction(controllerContext, "Index"));
@@ -40,56 +37,39 @@ namespace Orchard.Tests.UI.Admin {
             Assert.That(authorizationContext.Result, Is.Null);
         }
 
-        [Test]
-        public void AdminRequestShouldRequirePermission() {
-            var authorizationContext = GetAuthorizationContext<AdminController>();
+        private static void TestActionThatShouldRequirePermission<TController>() where TController : ControllerBase, new() {
+            var authorizationContext = GetAuthorizationContext<TController>();
             var filter = new AdminAuthorizationFilter(GetAuthorizer(false));
             filter.OnAuthorization(authorizationContext);
             Assert.That(authorizationContext.Result, Is.InstanceOf<HttpUnauthorizedResult>());
+            Assert.That(AdminThemeSelector.IsApplied(authorizationContext.RequestContext), Is.True);
 
-            var authorizationContext2 = GetAuthorizationContext<AdminController>();
+            var authorizationContext2 = GetAuthorizationContext<TController>();
             var filter2 = new AdminAuthorizationFilter(GetAuthorizer(true));
             filter2.OnAuthorization(authorizationContext2);
             Assert.That(authorizationContext2.Result, Is.Null);
+            Assert.That(AdminThemeSelector.IsApplied(authorizationContext2.RequestContext), Is.True);
+        }
+
+
+        [Test]
+        public void AdminRequestShouldRequirePermission() {
+            TestActionThatShouldRequirePermission<AdminController>();
         }
 
         [Test]
         public void NormalWithAttribRequestShouldRequirePermission() {
-            var authorizationContext = GetAuthorizationContext<NormalWithAttribController>();
-            var filter = new AdminAuthorizationFilter(GetAuthorizer(false));
-            filter.OnAuthorization(authorizationContext);
-            Assert.That(authorizationContext.Result, Is.InstanceOf<HttpUnauthorizedResult>());
-
-            var authorizationContext2 = GetAuthorizationContext<NormalWithAttribController>();
-            var filter2 = new AdminAuthorizationFilter(GetAuthorizer(true));
-            filter2.OnAuthorization(authorizationContext2);
-            Assert.That(authorizationContext2.Result, Is.Null);
+            TestActionThatShouldRequirePermission<NormalWithAttribController>();
         }
-        
+
         [Test]
         public void NormalWithActionAttribRequestShouldRequirePermission() {
-            var authorizationContext = GetAuthorizationContext<NormalWithActionAttribController>();
-            var filter = new AdminAuthorizationFilter(GetAuthorizer(false));
-            filter.OnAuthorization(authorizationContext);
-            Assert.That(authorizationContext.Result, Is.InstanceOf<HttpUnauthorizedResult>());
-
-            var authorizationContext2 = GetAuthorizationContext<NormalWithActionAttribController>();
-            var filter2 = new AdminAuthorizationFilter(GetAuthorizer(true));
-            filter2.OnAuthorization(authorizationContext2);
-            Assert.That(authorizationContext2.Result, Is.Null);
+            TestActionThatShouldRequirePermission<NormalWithActionAttribController>();
         }
 
         [Test]
         public void InheritedAttribRequestShouldRequirePermission() {
-            var authorizationContext = GetAuthorizationContext<InheritedAttribController>();
-            var filter = new AdminAuthorizationFilter(GetAuthorizer(false));
-            filter.OnAuthorization(authorizationContext);
-            Assert.That(authorizationContext.Result, Is.InstanceOf<HttpUnauthorizedResult>());
-
-            var authorizationContext2 = GetAuthorizationContext<InheritedAttribController>();
-            var filter2 = new AdminAuthorizationFilter(GetAuthorizer(true));
-            filter2.OnAuthorization(authorizationContext2);
-            Assert.That(authorizationContext2.Result, Is.Null);
+            TestActionThatShouldRequirePermission<InheritedAttribController>();
         }
     }
 
@@ -118,7 +98,7 @@ namespace Orchard.Tests.UI.Admin {
             return View();
         }
     }
-    
+
     [Admin]
     public class BaseWithAttribController : Controller {
         public ActionResult Something() {
diff --git a/src/Orchard.Tests/UI/Admin/AdminThemeSelectorTests.cs b/src/Orchard.Tests/UI/Admin/AdminThemeSelectorTests.cs
new file mode 100644
index 000000000..56ffc535a
--- /dev/null
+++ b/src/Orchard.Tests/UI/Admin/AdminThemeSelectorTests.cs
@@ -0,0 +1,58 @@
+using System.Web.Routing;
+using NUnit.Framework;
+using Orchard.Tests.Stubs;
+using Orchard.UI.Admin;
+
+namespace Orchard.Tests.UI.Admin {
+    [TestFixture]
+    public class AdminThemeSelectorTests {
+        [Test]
+        public void IsAppliedShouldBeFalseByDefault() {
+            var context = new RequestContext(new StubHttpContext(), new RouteData());
+            var isApplied = AdminThemeSelector.IsApplied(context);
+            Assert.That(isApplied, Is.False);
+        }
+
+        [Test]
+        public void IsAppliedShouldBeTrueAfterBeingApplied() {
+            var context = new RequestContext(new StubHttpContext(), new RouteData());
+            Assert.That(AdminThemeSelector.IsApplied(context), Is.False);
+            AdminThemeSelector.Apply(context);
+            Assert.That(AdminThemeSelector.IsApplied(context), Is.True);
+        }
+
+
+        [Test]
+        public void IsAppliedIsFalseOnNewContext() {
+            var context = new RequestContext(new StubHttpContext(), new RouteData());
+            Assert.That(AdminThemeSelector.IsApplied(context), Is.False);
+            AdminThemeSelector.Apply(context);
+            Assert.That(AdminThemeSelector.IsApplied(context), Is.True);
+            context = new RequestContext(new StubHttpContext(), new RouteData());
+            Assert.That(AdminThemeSelector.IsApplied(context), Is.False);
+        }
+
+        [Test]
+        public void ThemeResultShouldBeNullNormally() {
+            var context = new RequestContext(new StubHttpContext(), new RouteData());
+
+            var selector = new AdminThemeSelector();
+            var result = selector.GetTheme(context);
+            Assert.That(result, Is.Null);
+        }
+
+
+        [Test]
+        public void ThemeResultShouldBeTheAdminAt100AfterBeingSet() {
+            var context = new RequestContext(new StubHttpContext(), new RouteData());
+            
+            AdminThemeSelector.Apply(context);
+
+            var selector = new AdminThemeSelector();
+            var result = selector.GetTheme(context);
+            Assert.That(result, Is.Not.Null);
+            Assert.That(result.ThemeName, Is.EqualTo("TheAdmin"));
+            Assert.That(result.Priority, Is.EqualTo(100));
+        }
+    }
+}
diff --git a/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogAdminController.cs b/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogAdminController.cs
index e2956ed73..593fad828 100644
--- a/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogAdminController.cs
+++ b/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogAdminController.cs
@@ -11,10 +11,11 @@ using Orchard.Core.Common.Models;
 using Orchard.Localization;
 using Orchard.Mvc.Results;
 using Orchard.Settings;
+using Orchard.UI.Admin;
 using Orchard.UI.Notify;
 
 namespace Orchard.Blogs.Controllers {
-    [ValidateInput(false)]
+    [ValidateInput(false), Admin]
     public class BlogAdminController : Controller, IUpdateModel {
         private readonly IBlogService _blogService;
         private readonly IBlogPostService _blogPostService;
diff --git a/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogPostAdminController.cs b/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogPostAdminController.cs
index 6e7a0ed42..7ac8aaa99 100644
--- a/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogPostAdminController.cs
+++ b/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogPostAdminController.cs
@@ -6,10 +6,11 @@ using Orchard.Blogs.ViewModels;
 using Orchard.ContentManagement;
 using Orchard.Localization;
 using Orchard.Mvc.Results;
+using Orchard.UI.Admin;
 using Orchard.UI.Notify;
 
 namespace Orchard.Blogs.Controllers {
-    [ValidateInput(false)]
+    [ValidateInput(false), Admin]
     public class BlogPostAdminController : Controller, IUpdateModel {
         private readonly IBlogService _blogService;
         private readonly IBlogPostService _blogPostService;
diff --git a/src/Orchard/UI/Admin/AdminAuthorizationFilter.cs b/src/Orchard/UI/Admin/AdminAuthorizationFilter.cs
index 7399e723e..879acac40 100644
--- a/src/Orchard/UI/Admin/AdminAuthorizationFilter.cs
+++ b/src/Orchard/UI/Admin/AdminAuthorizationFilter.cs
@@ -18,17 +18,17 @@ namespace Orchard.UI.Admin {
         public Localizer T { get; set; }
 
         public void OnAuthorization(AuthorizationContext filterContext) {
-            if (!IsAdmin(filterContext))
-                return;
+            if (IsAdmin(filterContext)) {
+                if (!_authorizer.Authorize(StandardPermissions.AccessAdminPanel, T("Can't access the admin"))) {
+                    filterContext.Result = new HttpUnauthorizedResult();
+                }
 
-            if (!_authorizer.Authorize(StandardPermissions.AccessAdminPanel, T("Can't access the admin"))) {
-                filterContext.Result = new HttpUnauthorizedResult();
+                AdminThemeSelector.Apply(filterContext.RequestContext);
             }
         }
 
         private static bool IsAdmin(AuthorizationContext filterContext) {
-            if (string.Equals(filterContext.ActionDescriptor.ControllerDescriptor.ControllerName, "Admin",
-                              StringComparison.InvariantCultureIgnoreCase)) {
+            if (IsNameAdmin(filterContext) || IsNameAdminProxy(filterContext)) {
                 return true;
             }
 
@@ -39,6 +39,17 @@ namespace Orchard.UI.Admin {
             return false;
         }
 
+        private static bool IsNameAdmin(AuthorizationContext filterContext) {
+            return string.Equals(filterContext.ActionDescriptor.ControllerDescriptor.ControllerName, "Admin",
+                                 StringComparison.InvariantCultureIgnoreCase);
+        }
+
+        private static bool IsNameAdminProxy(AuthorizationContext filterContext) {
+            return filterContext.ActionDescriptor.ControllerDescriptor.ControllerName.StartsWith(
+                "AdminControllerProxy", StringComparison.InvariantCultureIgnoreCase) &&
+                filterContext.ActionDescriptor.ControllerDescriptor.ControllerName.Length == "AdminControllerProxy".Length + 32;
+        }
+
         private static IEnumerable<AdminAttribute> GetAdminAttributes(ActionDescriptor descriptor) {
             return descriptor.GetCustomAttributes(typeof(AdminAttribute), true)
                 .Concat(descriptor.ControllerDescriptor.GetCustomAttributes(typeof(AdminAttribute), true))
diff --git a/src/Orchard/UI/Admin/AdminThemeSelector.cs b/src/Orchard/UI/Admin/AdminThemeSelector.cs
index 63f58622d..9c53d1713 100644
--- a/src/Orchard/UI/Admin/AdminThemeSelector.cs
+++ b/src/Orchard/UI/Admin/AdminThemeSelector.cs
@@ -1,24 +1,23 @@
-using System.Globalization;
-using System.IO;
-using System.Web.Routing;
-using Orchard.Settings;
+using System.Web.Routing;
 using Orchard.Themes;
 
 namespace Orchard.UI.Admin {
     public class AdminThemeSelector : IThemeSelector {
-        private readonly ISiteService _siteService;
+        public ThemeSelectorResult GetTheme(RequestContext context) {
+            if (IsApplied(context)) {
+                return new ThemeSelectorResult { Priority = 100, ThemeName = "TheAdmin" };
+            }
 
-        public AdminThemeSelector(ISiteService siteService) {
-            _siteService = siteService;
+            return null;
         }
 
-        public ThemeSelectorResult GetTheme(RequestContext context) {
-            var siteUrl = _siteService.GetSiteSettings().SiteUrl;
-            //todo: (heskew) get at the admin path in a less hacky way
-            if (!context.HttpContext.Request.Path.StartsWith(Path.Combine(siteUrl, "admin").Replace("\\", "/"), true, CultureInfo.InvariantCulture))
-                return null;
+        public static void Apply(RequestContext context) {
+            // the value isn't important
+            context.HttpContext.Items[typeof(AdminThemeSelector)] = null;
+        }
 
-            return new ThemeSelectorResult { Priority = 100, ThemeName = "TheAdmin" };
+        public static bool IsApplied(RequestContext context) {
+            return context.HttpContext.Items.Contains(typeof(AdminThemeSelector));
         }
     }
-}
\ No newline at end of file
+}