diff --git a/setup.py b/setup.py
index 49af9e4..dc3fabc 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 setuptools.setup(
     name='yamb',
-    version='0.1.1',
+    version='0.1.2',
     license='Apache License, Version 2.0',
     author="Ivan Kalinin",
     author_email="pupssman@yandex-team.ru",
diff --git a/yamb/__init__.py b/yamb/__init__.py
index cc04eaa..eb1c1e7 100644
--- a/yamb/__init__.py
+++ b/yamb/__init__.py
@@ -129,10 +129,10 @@ def _load(cls, document, top=True):
                     return cls._load(doc, top=False)
                 return cls(_data=document)
 
-            def _dump(self, top=True):
+            def _dump(self, top=True, **kw):
                 if top:
                     doc = self._dump(top=False)
-                    return yaml.dump(doc)
+                    return yaml.dump(doc, **kw)
                 else:
                     return self._data