diff --git a/src/Orchard.Web/Core/Contents/Controllers/AdminController.cs b/src/Orchard.Web/Core/Contents/Controllers/AdminController.cs
index 610bf27e4..1d417fc20 100644
--- a/src/Orchard.Web/Core/Contents/Controllers/AdminController.cs
+++ b/src/Orchard.Web/Core/Contents/Controllers/AdminController.cs
@@ -188,8 +188,8 @@ namespace Orchard.Core.Contents.Controllers {
             if (!Services.Authorizer.Authorize(Permissions.PublishContent, contentItem, T("Cannot create content")))
                 return new HttpUnauthorizedResult();
 
-            var model = _contentManager.BuildEditor(contentItem);
-            return View(model);
+            dynamic model = _contentManager.BuildEditor(contentItem);
+            return View((object)model);
         }
 
         [HttpPost, ActionName("Create")]
@@ -241,9 +241,8 @@ namespace Orchard.Core.Contents.Controllers {
             if (!Services.Authorizer.Authorize(Permissions.EditContent, contentItem, T("Cannot edit content")))
                 return new HttpUnauthorizedResult();
 
-            var model = _contentManager.BuildEditor(contentItem);
-
-            return View(model);
+            dynamic model = _contentManager.BuildEditor(contentItem);
+            return View((object)model);
         }
 
         [HttpPost, ActionName("Edit")]
diff --git a/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogAdminController.cs b/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogAdminController.cs
index 39a7ddc4a..42edc06ce 100644
--- a/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogAdminController.cs
+++ b/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogAdminController.cs
@@ -1,4 +1,5 @@
 using System.Linq;
+using System.Reflection;
 using System.Web.Mvc;
 using Orchard.Blogs.Extensions;
 using Orchard.Blogs.Models;
@@ -48,12 +49,12 @@ namespace Orchard.Blogs.Controllers {
             if (!Services.Authorizer.Authorize(Permissions.ManageBlogs, T("Not allowed to create blogs")))
                 return new HttpUnauthorizedResult();
 
-            var blog = Services.ContentManager.New<BlogPart>("Blog");
+            BlogPart blog = Services.ContentManager.New<BlogPart>("Blog");
             if (blog == null)
                 return HttpNotFound();
 
-            var model = Services.ContentManager.BuildEditor(blog);
-            return View(model);
+            dynamic model = Services.ContentManager.BuildEditor(blog);
+            return View((object)model);
         }
 
         [HttpPost, ActionName("Create")]
@@ -86,8 +87,8 @@ namespace Orchard.Blogs.Controllers {
             if (blog == null)
                 return HttpNotFound();
 
-            var model = Services.ContentManager.BuildEditor(blog);
-            return View(model);
+            dynamic model = Services.ContentManager.BuildEditor(blog);
+            return View((object)model);
         }
 
         [HttpPost, ActionName("Edit")]
diff --git a/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogPostAdminController.cs b/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogPostAdminController.cs
index e9ca608a0..b2021bf4f 100644
--- a/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogPostAdminController.cs
+++ b/src/Orchard.Web/Modules/Orchard.Blogs/Controllers/BlogPostAdminController.cs
@@ -33,9 +33,8 @@ namespace Orchard.Blogs.Controllers {
             if (blogPost.BlogPart == null)
                 return HttpNotFound();
 
-            var model = Services.ContentManager.BuildEditor(blogPost);
-
-            return View(model);
+            dynamic model = Services.ContentManager.BuildEditor(blogPost);
+            return View((object)model);
         }
 
         [HttpPost, ActionName("Create")]
@@ -76,9 +75,8 @@ namespace Orchard.Blogs.Controllers {
             if (post == null)
                 return HttpNotFound();
 
-            var model = Services.ContentManager.BuildEditor(post);
-
-            return View(model);
+            dynamic model = Services.ContentManager.BuildEditor(post);
+            return View((object)model);
         }
 
         [HttpPost, ActionName("Edit")]
diff --git a/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs b/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs
index b7b0e3e55..7cb65ee83 100644
--- a/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs
+++ b/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs
@@ -57,10 +57,10 @@ namespace Orchard.Users.Controllers {
             var user = Services.ContentManager.New<IUser>("User");
             var editor = Shape.EditorTemplate(TemplateName: "Parts/User.Create", Model: new UserCreateViewModel(), Prefix: null);
             editor.Metadata.Position = "2";
-            var model = Services.ContentManager.BuildEditor(user);
+            dynamic model = Services.ContentManager.BuildEditor(user);
             model.Content.Add(editor);
 
-            return View(model);
+            return View((object)model);
         }
 
         [HttpPost, ActionName("Create")]
@@ -111,10 +111,10 @@ namespace Orchard.Users.Controllers {
             var user = Services.ContentManager.Get<UserPart>(id);
             var editor = Shape.EditorTemplate(TemplateName: "Parts/User.Edit", Model: new UserEditViewModel {User = user}, Prefix: null);
             editor.Metadata.Position = "2";
-            var model = Services.ContentManager.BuildEditor(user);
+            dynamic model = Services.ContentManager.BuildEditor(user);
             model.Content.Add(editor);
 
-            return View(model);
+            return View((object)model);
         }
 
         [HttpPost, ActionName("Edit")]
diff --git a/src/Orchard.Web/Modules/Orchard.Widgets/Controllers/AdminController.cs b/src/Orchard.Web/Modules/Orchard.Widgets/Controllers/AdminController.cs
index 835c371c5..5f22fa365 100644
--- a/src/Orchard.Web/Modules/Orchard.Widgets/Controllers/AdminController.cs
+++ b/src/Orchard.Web/Modules/Orchard.Widgets/Controllers/AdminController.cs
@@ -112,7 +112,7 @@ namespace Orchard.Widgets.Controllers {
 
                 widgetPart.LayerPart = _widgetsService.GetLayer(layerId);
                 dynamic model = Services.ContentManager.BuildEditor(widgetPart);
-                return View(model);
+                return View((object)model);
             }
             catch (Exception exception) {
                 Services.Notifier.Error(T("Creating widget failed: {0}", exception.Message));
@@ -155,7 +155,7 @@ namespace Orchard.Widgets.Controllers {
                     return HttpNotFound();
 
                 dynamic model = Services.ContentManager.BuildEditor(layerPart);
-                return View(model);
+                return View((object)model);
             }
             catch (Exception exception) {
                 Services.Notifier.Error(T("Creating layer failed: {0}", exception.Message));
@@ -200,7 +200,7 @@ namespace Orchard.Widgets.Controllers {
                 }
 
                 dynamic model = Services.ContentManager.BuildEditor(layerPart);
-                return View(model);
+                return View((object)model);
             }
             catch (Exception exception) {
                 Services.Notifier.Error(T("Editing layer failed: {0}", exception.Message));
@@ -265,7 +265,7 @@ namespace Orchard.Widgets.Controllers {
                 }
 
                 dynamic model = Services.ContentManager.BuildEditor(widgetPart);
-                return View(model);
+                return View((object)model);
             }
             catch (Exception exception) {
                 Services.Notifier.Error(T("Editing widget failed: {0}", exception.Message));