diff --git a/spacy/tests/regression/test_issue599.py b/spacy/tests/regression/test_issue599.py
new file mode 100644
index 000000000..ce35c6db2
--- /dev/null
+++ b/spacy/tests/regression/test_issue599.py
@@ -0,0 +1,11 @@
+from ...tokens import Doc
+from ...vocab import Vocab
+
+def test_issue599():
+    doc = Doc(Vocab())
+    doc.is_tagged = True
+    doc.is_parsed = True
+    bytes_ = doc.to_bytes()
+    doc2 = Doc(doc.vocab)
+    doc2.from_bytes(bytes_)
+    assert doc2.is_parsed