diff --git a/spacy/tests/regression/test_issue600.py b/spacy/tests/regression/test_issue600.py
index 2ab8e9c25..90e700aed 100644
--- a/spacy/tests/regression/test_issue600.py
+++ b/spacy/tests/regression/test_issue600.py
@@ -1,6 +1,7 @@
 from __future__ import unicode_literals
 from ...tokens import Doc
 from ...vocab import Vocab
+from ...attrs import POS
 
 
 def test_issue600():