diff --git a/implementations/python/preserves/schema.py b/implementations/python/preserves/schema.py
index 6bc0885..828d637 100644
--- a/implementations/python/preserves/schema.py
+++ b/implementations/python/preserves/schema.py
@@ -297,7 +297,7 @@ def encode(p, v):
     if p.key == DICTOF:
         return dict((encode(p[0], k), encode(p[1], w)) for (k, w) in v.items())
     if p.key == REF:
-        return v.__preserve__()
+        return preserve(v)
     if p.key == REC:
         return Record(encode(p[0], v), encode(p[1], v))
     if p.key == TUPLE:
@@ -433,8 +433,8 @@ if __name__ == '__main__':
     with open(__metaschema_filename, 'rb') as f:
         x = Decoder(f.read()).next()
     print(meta.Schema.decode(x))
-    print(meta.Schema.decode(x).__preserve__())
-    assert meta.Schema.decode(x).__preserve__() == x
+    print(preserve(meta.Schema.decode(x)))
+    assert preserve(meta.Schema.decode(x)) == x
 
     @extend(meta.Schema)
     def f(self, x):
@@ -450,7 +450,7 @@ if __name__ == '__main__':
         x = Decoder(f.read()).next()
     print(meta.Schema.decode(x))
     assert meta.Schema.decode(x) == meta.Schema.decode(x)
-    assert meta.Schema.decode(x).__preserve__() == x
+    assert preserve(meta.Schema.decode(x)) == x
 
     print()
     print(path)
diff --git a/implementations/python/setup.py b/implementations/python/setup.py
index cd61497..c09f390 100644
--- a/implementations/python/setup.py
+++ b/implementations/python/setup.py
@@ -5,7 +5,7 @@ except ImportError:
 
 setup(
     name="preserves",
-    version="0.10.0",
+    version="0.10.1",
     author="Tony Garnock-Jones",
     author_email="tonyg@leastfixedpoint.com",
     license="Apache Software License",