Index: src/main/java/info/magnolia/module/form/engine/FormEngine.java
===================================================================
--- src/main/java/info/magnolia/module/form/engine/FormEngine.java	(revision 52481)
+++ src/main/java/info/magnolia/module/form/engine/FormEngine.java	(working copy)
@@ -180,6 +180,10 @@
         return formState;
     }
 
+    public void setFormState(FormState formState) {
+        this.formState = formState;
+    }
+
     protected boolean isFormSubmission() {
         return MgnlContext.getWebContext().getRequest().getMethod().equals("POST");
     }