diff --git a/Form/Type/FileTypeBindSubscriber.php b/Form/Type/FileTypeBindSubscriber.php
index 5d7b9bb..477d239 100644
--- a/Form/Type/FileTypeBindSubscriber.php
+++ b/Form/Type/FileTypeBindSubscriber.php
@@ -55,7 +55,14 @@ public function preSet(FormEvent $event)
 
         $obj = $form->getParent()->getData();
 
-        if (!$obj) return;
+        if (!$obj) {
+            if ($data_class = $form->getParent()->getConfig()->getOption('data_class')) {
+                $obj = new $data_class();
+            }
+            else {
+                return;
+            }
+        }
 
         $mapping = $this->mappingFactory->getMappingFromField($obj,
             $this->dataStorage->getReflectionClass($obj),
diff --git a/README.md b/README.md
index e4f9a48..d3473c9 100644
--- a/README.md
+++ b/README.md
@@ -22,11 +22,17 @@ For Russian documentation see http://symfonydev.ru/iphpfilestorebundle/
 
 Add the following lines in your composer.json:
 ```
-{
     "require": {
-        "iphp/filestore-bundle" : "@stable" 
-    }
-}
+        ...
+        "iphp/filestore-bundle" : "dev-fix_embedded",
+        ...
+    },
+   "repositories": [
+        {
+            "type": "vcs",
+            "url": "https://github.com/sneakyvv/IphpFileStoreBundle.git"
+        }
+    ],
 ```
 
 ### Initialize the bundle