diff --git a/python/test3/test_case.py b/python/test3/test_case.py
index 53dfcaf..2f42316 100644
--- a/python/test3/test_case.py
+++ b/python/test3/test_case.py
@@ -98,5 +98,8 @@ def test_match():
     for v, p in cases:
         match(v, p)
 
+def test_unicode():
+    assert_equal(b'foobar', unpacks(packs('foobar')))
+
 if __name__ == '__main__':
     main()