diff --git a/src/Orchard.Web/Modules/Orchard.DynamicForms/Controllers/FormController.cs b/src/Orchard.Web/Modules/Orchard.DynamicForms/Controllers/FormController.cs
index d76a2335e..fc5ad4c88 100644
--- a/src/Orchard.Web/Modules/Orchard.DynamicForms/Controllers/FormController.cs
+++ b/src/Orchard.Web/Modules/Orchard.DynamicForms/Controllers/FormController.cs
@@ -6,6 +6,7 @@ using Orchard.DynamicForms.Services;
 using Orchard.Layouts.Services;
 using Orchard.Localization;
 using Orchard.Logging;
+using Orchard.Services;
 using Orchard.Tokens;
 using Orchard.UI.Notify;
 using IController = Orchard.DynamicForms.Services.IController;
@@ -16,17 +17,20 @@ namespace Orchard.DynamicForms.Controllers {
         private readonly ILayoutManager _layoutManager;
         private readonly IFormService _formService;
         private readonly ITokenizer _tokenizer;
+        private readonly IClock _clock;
 
         public FormController(
             INotifier notifier, 
             ILayoutManager layoutManager, 
             IFormService formService, 
-            ITokenizer tokenizer) {
+            ITokenizer tokenizer,
+            IClock clock) {
 
             _notifier = notifier;
             _layoutManager = layoutManager;
             _formService = formService;
             _tokenizer = tokenizer;
+            _clock = clock;
             T = NullLocalizer.Instance;
             Logger = NullLogger.Instance;
         }
@@ -50,8 +54,12 @@ namespace Orchard.DynamicForms.Controllers {
             var values = _formService.SubmitForm(layoutPart, form, ValueProvider, ModelState, this);
             this.TransferFormSubmission(form, values);
 
-            if (!ModelState.IsValid)
-                return Redirect(urlReferrer);
+            if (!ModelState.IsValid) {
+                // We need a way to inform the output cache filter to not cache the upcoming request.
+                var epoch = new DateTime(2014, DateTimeKind.Utc).Ticks;
+                var refresh = _clock.UtcNow.Ticks - epoch;
+                return Redirect(urlReferrer + "?__r=" + refresh);
+            }
 
             if(Response.IsRequestBeingRedirected)
                 return new EmptyResult();