diff --git a/test/py/TestFrozen.py b/test/py/TestFrozen.py
index 6d2595c..ce7425f 100755
--- a/test/py/TestFrozen.py
+++ b/test/py/TestFrozen.py
@@ -19,7 +19,9 @@
 # under the License.
 #
 
+from DebugProtoTest import Srv
 from DebugProtoTest.ttypes import CompactProtoTestStruct, Empty, Wrapper
+from DebugProtoTest.ttypes import ExceptionWithAMap, MutableException
 from thrift.Thrift import TFrozenDict
 from thrift.transport import TTransport
 from thrift.protocol import TBinaryProtocol, TCompactProtocol
@@ -94,6 +96,21 @@
         x2 = self._roundtrip(x, Wrapper)
         self.assertEqual(x2.foo, Empty())
 
+    def test_frozen_exception(self):
+        exc = ExceptionWithAMap(blah='foo')
+        with self.assertRaises(TypeError):
+            exc.blah = 'bar'
+        mutexc = MutableException(msg='foo')
+        mutexc.msg = 'bar'
+        self.assertEqual(mutexc.msg, 'bar')
+
+    def test_frozen_exception_serialization(self):
+        result = Srv.declaredExceptionMethod_result(
+            xwamap=ExceptionWithAMap(blah="error"))
+        deserialized = self._roundtrip(
+            result, Srv.declaredExceptionMethod_result())
+        self.assertEqual(result, deserialized)
+
 
 class TestFrozen(TestFrozenBase):
     def protocol(self, trans):