diff --git a/StorageBundle/Storage.php b/StorageBundle/Storage.php
index b484855..d3a9b89 100644
--- a/StorageBundle/Storage.php
+++ b/StorageBundle/Storage.php
@@ -123,6 +123,7 @@ class Storage
         $camel = ucfirst(Container::camelize($attribute));
 
         if ($file instanceof UploadedFile) {
+            $file_hash .= strlen($file->getExtension()) ? '.'.$file->getExtension() : '';
             if (!is_null($storage_annotation->mime)) {
                 $valid = true;
                 if (count(explode('/', $storage_annotation->mime)) > 1) {