diff --git a/ucoin/registry/community/__init__.py b/ucoin/registry/community/__init__.py
index b7f2d37b9d5d917fbebfcbcb4c309163d0ac20e6..8a46e04c0f5c8fcfb614fab44846b8be9128a910 100644
--- a/ucoin/registry/community/__init__.py
+++ b/ucoin/registry/community/__init__.py
@@ -31,7 +31,7 @@ class Members(Base):
         return self.merkle_easy_parser('/members')
 
     def __post__(self, **kwargs):
-        assert 'entry' in kwargs
+        assert 'membership' in kwargs
         assert 'signature' in kwargs
 
         return self.requests_post('/members', **kwargs)
@@ -44,7 +44,7 @@ class Voters(Base):
         return self.merkle_easy_parser('/voters')
 
     def __post__(self, **kwargs):
-        assert 'entry' in kwargs
+        assert 'voting' in kwargs
         assert 'signature' in kwargs
 
         return self.requests_post('/voters', **kwargs)